491097978

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 160

約数和(自身を含む): 1382768640

約数和(自身を除く): 891670662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 27, 38, 42, 46, 54, 57, 63, 69, 81, 114, 126, 133, 138, 161, 162, 171, 189, 207, 266, 322, 342, 378, 399, 414, 437, 483, 513, 567, 621, 798, 874, 966, 991, 1026, 1134, 1197, 1242, 1311, 1449, 1539, 1863, 1982, 2394, 2622, 2898, 2973, 3059, 3078, 3591, 3726, 3933, 4347, 5946, 6118, 6937, 7182, 7866, 8694, 8919, 9177, 10773, 11799, 13041, 13874, 17838, 18354, 18829, 20811, 21546, 22793, 23598, 26082, 26757, 27531, 35397, 37658, 41622, 45586, 53514, 55062, 56487, 62433, 68379, 70794, 80271, 82593, 112974, 124866, 131803, 136758, 159551, 160542, 165186, 169461, 187299, 205137, 247779, 263606, 319102, 338922, 374598, 395409, 410274, 433067, 478653, 495558, 508383, 561897, 615411, 790818, 866134, 957306, 1016766, 1123794, 1186227, 1230822, 1299201, 1435959, 1525149, 1846233, 2372454, 2598402, 2871918, 3031469, 3050298, 3558681, 3692466, 3897603, 4307877, 6062938, 7117362, 7795206, 8615754, 9094407, 10676043, 11692809, 12923631, 18188814, 21352086, 23385618, 25847262, 27283221, 35078427, 54566442, 70156854, 81849663, 163699326, 245548989, 491097978]

約数ペア:

[(1, 491097978), (2, 245548989), (3, 163699326), (6, 81849663), (7, 70156854), (9, 54566442), (14, 35078427), (18, 27283221), (19, 25847262), (21, 23385618), (23, 21352086), (27, 18188814), (38, 12923631), (42, 11692809), (46, 10676043), (54, 9094407), (57, 8615754), (63, 7795206), (69, 7117362), (81, 6062938), (114, 4307877), (126, 3897603), (133, 3692466), (138, 3558681), (161, 3050298), (162, 3031469), (171, 2871918), (189, 2598402), (207, 2372454), (266, 1846233), (322, 1525149), (342, 1435959), (378, 1299201), (399, 1230822), (414, 1186227), (437, 1123794), (483, 1016766), (513, 957306), (567, 866134), (621, 790818), (798, 615411), (874, 561897), (966, 508383), (991, 495558), (1026, 478653), (1134, 433067), (1197, 410274), (1242, 395409), (1311, 374598), (1449, 338922), (1539, 319102), (1863, 263606), (1982, 247779), (2394, 205137), (2622, 187299), (2898, 169461), (2973, 165186), (3059, 160542), (3078, 159551), (3591, 136758), (3726, 131803), (3933, 124866), (4347, 112974), (5946, 82593), (6118, 80271), (6937, 70794), (7182, 68379), (7866, 62433), (8694, 56487), (8919, 55062), (9177, 53514), (10773, 45586), (11799, 41622), (13041, 37658), (13874, 35397), (17838, 27531), (18354, 26757), (18829, 26082), (20811, 23598), (21546, 22793)]