161421834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 419420160

約数和(自身を除く): 257998326

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 73, 102, 114, 119, 133, 146, 163, 219, 238, 266, 323, 326, 357, 399, 438, 489, 511, 646, 714, 798, 969, 978, 1022, 1141, 1241, 1387, 1533, 1938, 2261, 2282, 2482, 2771, 2774, 3066, 3097, 3423, 3723, 4161, 4522, 5542, 6194, 6783, 6846, 7446, 8313, 8322, 8687, 9291, 9709, 11899, 13566, 16626, 17374, 18582, 19397, 19418, 21679, 23579, 23798, 26061, 29127, 35697, 38794, 43358, 47158, 52122, 52649, 58191, 58254, 65037, 70737, 71394, 83293, 105298, 116382, 130074, 141474, 157947, 165053, 166586, 202283, 226081, 249879, 315894, 330106, 368543, 404566, 452162, 495159, 499758, 606849, 678243, 737086, 990318, 1105629, 1213698, 1356486, 1415981, 1582567, 2211258, 2831962, 3165134, 3843377, 4247943, 4747701, 7686754, 8495886, 9495402, 11530131, 23060262, 26903639, 53807278, 80710917, 161421834]

約数ペア:

[(1, 161421834), (2, 80710917), (3, 53807278), (6, 26903639), (7, 23060262), (14, 11530131), (17, 9495402), (19, 8495886), (21, 7686754), (34, 4747701), (38, 4247943), (42, 3843377), (51, 3165134), (57, 2831962), (73, 2211258), (102, 1582567), (114, 1415981), (119, 1356486), (133, 1213698), (146, 1105629), (163, 990318), (219, 737086), (238, 678243), (266, 606849), (323, 499758), (326, 495159), (357, 452162), (399, 404566), (438, 368543), (489, 330106), (511, 315894), (646, 249879), (714, 226081), (798, 202283), (969, 166586), (978, 165053), (1022, 157947), (1141, 141474), (1241, 130074), (1387, 116382), (1533, 105298), (1938, 83293), (2261, 71394), (2282, 70737), (2482, 65037), (2771, 58254), (2774, 58191), (3066, 52649), (3097, 52122), (3423, 47158), (3723, 43358), (4161, 38794), (4522, 35697), (5542, 29127), (6194, 26061), (6783, 23798), (6846, 23579), (7446, 21679), (8313, 19418), (8322, 19397), (8687, 18582), (9291, 17374), (9709, 16626), (11899, 13566)]