28429472

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 62215776

約数和(自身を除く): 33786304

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 107, 152, 184, 214, 304, 361, 368, 428, 437, 608, 722, 736, 856, 874, 1444, 1712, 1748, 2033, 2461, 2888, 3424, 3496, 4066, 4922, 5776, 6992, 8132, 8303, 9844, 11552, 13984, 16264, 16606, 19688, 32528, 33212, 38627, 39376, 46759, 65056, 66424, 77254, 78752, 93518, 132848, 154508, 187036, 265696, 309016, 374072, 618032, 748144, 888421, 1236064, 1496288, 1776842, 3553684, 7107368, 14214736, 28429472]

約数ペア:

[(1, 28429472), (2, 14214736), (4, 7107368), (8, 3553684), (16, 1776842), (19, 1496288), (23, 1236064), (32, 888421), (38, 748144), (46, 618032), (76, 374072), (92, 309016), (107, 265696), (152, 187036), (184, 154508), (214, 132848), (304, 93518), (361, 78752), (368, 77254), (428, 66424), (437, 65056), (608, 46759), (722, 39376), (736, 38627), (856, 33212), (874, 32528), (1444, 19688), (1712, 16606), (1748, 16264), (2033, 13984), (2461, 11552), (2888, 9844), (3424, 8303), (3496, 8132), (4066, 6992), (4922, 5776)]