28215070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 58177728

約数和(自身を除く): 29962658

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 751, 1105, 1445, 1502, 2210, 2890, 3755, 3757, 7510, 7514, 9763, 12767, 18785, 19526, 25534, 37570, 48815, 63835, 97630, 127670, 165971, 217039, 331942, 434078, 829855, 1085195, 1659710, 2170390, 2821507, 5643014, 14107535, 28215070]

約数ペア:

[(1, 28215070), (2, 14107535), (5, 5643014), (10, 2821507), (13, 2170390), (17, 1659710), (26, 1085195), (34, 829855), (65, 434078), (85, 331942), (130, 217039), (170, 165971), (221, 127670), (289, 97630), (442, 63835), (578, 48815), (751, 37570), (1105, 25534), (1445, 19526), (1502, 18785), (2210, 12767), (2890, 9763), (3755, 7514), (3757, 7510)]