258471056

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 546631680

約数和(自身を除く): 288160624

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 139, 163, 184, 248, 278, 326, 368, 496, 556, 652, 713, 1112, 1304, 1426, 2224, 2608, 2852, 3197, 3749, 4309, 5053, 5704, 6394, 7498, 8618, 10106, 11408, 12788, 14996, 17236, 20212, 22657, 25576, 29992, 34472, 40424, 45314, 51152, 59984, 68944, 80848, 90628, 99107, 116219, 181256, 198214, 232438, 362512, 396428, 464876, 521111, 702367, 792856, 929752, 1042222, 1404734, 1585712, 1859504, 2084444, 2809468, 4168888, 5618936, 8337776, 11237872, 16154441, 32308882, 64617764, 129235528, 258471056]

約数ペア:

[(1, 258471056), (2, 129235528), (4, 64617764), (8, 32308882), (16, 16154441), (23, 11237872), (31, 8337776), (46, 5618936), (62, 4168888), (92, 2809468), (124, 2084444), (139, 1859504), (163, 1585712), (184, 1404734), (248, 1042222), (278, 929752), (326, 792856), (368, 702367), (496, 521111), (556, 464876), (652, 396428), (713, 362512), (1112, 232438), (1304, 198214), (1426, 181256), (2224, 116219), (2608, 99107), (2852, 90628), (3197, 80848), (3749, 68944), (4309, 59984), (5053, 51152), (5704, 45314), (6394, 40424), (7498, 34472), (8618, 29992), (10106, 25576), (11408, 22657), (12788, 20212), (14996, 17236)]