28712796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20107}}^1$

素因数の和:20138

約数の個数: 48

約数和(自身を含む): 81075456

約数和(自身を除く): 52362660

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20107, 40214, 60321, 80428, 120642, 140749, 241284, 281498, 341819, 422247, 562996, 683638, 844494, 1025457, 1367276, 1688988, 2050914, 2392733, 4101828, 4785466, 7178199, 9570932, 14356398, 28712796]

約数ペア:

[(1, 28712796), (2, 14356398), (3, 9570932), (4, 7178199), (6, 4785466), (7, 4101828), (12, 2392733), (14, 2050914), (17, 1688988), (21, 1367276), (28, 1025457), (34, 844494), (42, 683638), (51, 562996), (68, 422247), (84, 341819), (102, 281498), (119, 241284), (204, 140749), (238, 120642), (357, 80428), (476, 60321), (714, 40214), (1428, 20107)]