28210008176

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1\times {\mathrm{2879}}^1$

素因数の和:3966

約数の個数: 80

約数和(自身を含む): 63253094400

約数和(自身を除く): 35043086224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 983, 1246, 1424, 1966, 2492, 2879, 3932, 4984, 5758, 6881, 7864, 9968, 11516, 13762, 15728, 20153, 23032, 27524, 40306, 46064, 55048, 80612, 87487, 110096, 161224, 174974, 256231, 322448, 349948, 512462, 612409, 699896, 1024924, 1224818, 1399792, 1793617, 2049848, 2449636, 2830057, 3587234, 4099696, 4899272, 5660114, 7174468, 9798544, 11320228, 14348936, 19810399, 22640456, 28697872, 39620798, 45280912, 79241596, 158483192, 251875073, 316966384, 503750146, 1007500292, 1763125511, 2015000584, 3526251022, 4030001168, 7052502044, 14105004088, 28210008176]

約数ペア:

[(1, 28210008176), (2, 14105004088), (4, 7052502044), (7, 4030001168), (8, 3526251022), (14, 2015000584), (16, 1763125511), (28, 1007500292), (56, 503750146), (89, 316966384), (112, 251875073), (178, 158483192), (356, 79241596), (623, 45280912), (712, 39620798), (983, 28697872), (1246, 22640456), (1424, 19810399), (1966, 14348936), (2492, 11320228), (2879, 9798544), (3932, 7174468), (4984, 5660114), (5758, 4899272), (6881, 4099696), (7864, 3587234), (9968, 2830057), (11516, 2449636), (13762, 2049848), (15728, 1793617), (20153, 1399792), (23032, 1224818), (27524, 1024924), (40306, 699896), (46064, 612409), (55048, 512462), (80612, 349948), (87487, 322448), (110096, 256231), (161224, 174974)]