28169388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2663

約数の個数: 72

約数和(自身を含む): 80047968

約数和(自身を除く): 51878580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2617, 2691, 3588, 5234, 5382, 7851, 10468, 10764, 15702, 23553, 31404, 34021, 47106, 60191, 68042, 94212, 102063, 120382, 136084, 180573, 204126, 240764, 306189, 361146, 408252, 541719, 612378, 722292, 782483, 1083438, 1224756, 1564966, 2166876, 2347449, 3129932, 4694898, 7042347, 9389796, 14084694, 28169388]

約数ペア:

[(1, 28169388), (2, 14084694), (3, 9389796), (4, 7042347), (6, 4694898), (9, 3129932), (12, 2347449), (13, 2166876), (18, 1564966), (23, 1224756), (26, 1083438), (36, 782483), (39, 722292), (46, 612378), (52, 541719), (69, 408252), (78, 361146), (92, 306189), (117, 240764), (138, 204126), (156, 180573), (207, 136084), (234, 120382), (276, 102063), (299, 94212), (414, 68042), (468, 60191), (598, 47106), (828, 34021), (897, 31404), (1196, 23553), (1794, 15702), (2617, 10764), (2691, 10468), (3588, 7851), (5234, 5382)]