28090188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59968692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 79, 83, 84, 102, 119, 126, 153, 158, 166, 204, 237, 238, 249, 252, 306, 316, 332, 357, 474, 476, 498, 553, 581, 612, 711, 714, 747, 948, 996, 1071, 1106, 1162, 1343, 1411, 1422, 1428, 1494, 1659, 1743, 2142, 2212, 2324, 2686, 2822, 2844, 2988, 3318, 3486, 4029, 4233, 4284, 4977, 5229, 5372, 5644, 6557, 6636, 6972, 8058, 8466, 9401, 9877, 9954, 10458, 12087, 12699, 13114, 16116, 16932, 18802, 19671, 19754, 19908, 20916, 24174, 25398, 26228, 28203, 29631, 37604, 39342, 39508, 45899, 48348, 50796, 56406, 59013, 59262, 78684, 84609, 88893, 91798, 111469, 112812, 118026, 118524, 137697, 169218, 177786, 183596, 222938, 236052, 275394, 334407, 338436, 355572, 413091, 445876, 550788, 668814, 780283, 826182, 1003221, 1337628, 1560566, 1652364, 2006442, 2340849, 3121132, 4012884, 4681698, 7022547, 9363396, 14045094, 28090188]

約数ペア:

[(1, 28090188), (2, 14045094), (3, 9363396), (4, 7022547), (6, 4681698), (7, 4012884), (9, 3121132), (12, 2340849), (14, 2006442), (17, 1652364), (18, 1560566), (21, 1337628), (28, 1003221), (34, 826182), (36, 780283), (42, 668814), (51, 550788), (63, 445876), (68, 413091), (79, 355572), (83, 338436), (84, 334407), (102, 275394), (119, 236052), (126, 222938), (153, 183596), (158, 177786), (166, 169218), (204, 137697), (237, 118524), (238, 118026), (249, 112812), (252, 111469), (306, 91798), (316, 88893), (332, 84609), (357, 78684), (474, 59262), (476, 59013), (498, 56406), (553, 50796), (581, 48348), (612, 45899), (711, 39508), (714, 39342), (747, 37604), (948, 29631), (996, 28203), (1071, 26228), (1106, 25398), (1162, 24174), (1343, 20916), (1411, 19908), (1422, 19754), (1428, 19671), (1494, 18802), (1659, 16932), (1743, 16116), (2142, 13114), (2212, 12699), (2324, 12087), (2686, 10458), (2822, 9954), (2844, 9877), (2988, 9401), (3318, 8466), (3486, 8058), (4029, 6972), (4233, 6636), (4284, 6557), (4977, 5644), (5229, 5372)]