28925766

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 66100320

約数和(自身を除く): 37174554

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 327, 414, 641, 654, 981, 1282, 1923, 1962, 2507, 3846, 5014, 5769, 7521, 11538, 14743, 15042, 22563, 29486, 44229, 45126, 69869, 88458, 132687, 139738, 209607, 265374, 419214, 628821, 1257642, 1606987, 3213974, 4820961, 9641922, 14462883, 28925766]

約数ペア:

[(1, 28925766), (2, 14462883), (3, 9641922), (6, 4820961), (9, 3213974), (18, 1606987), (23, 1257642), (46, 628821), (69, 419214), (109, 265374), (138, 209607), (207, 139738), (218, 132687), (327, 88458), (414, 69869), (641, 45126), (654, 44229), (981, 29486), (1282, 22563), (1923, 15042), (1962, 14743), (2507, 11538), (3846, 7521), (5014, 5769)]