278070992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2657}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 558988032

約数和(自身を除く): 280917040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 248, 422, 496, 844, 1688, 2657, 3376, 5314, 6541, 10628, 13082, 21256, 26164, 42512, 52328, 82367, 104656, 164734, 329468, 560627, 658936, 1121254, 1317872, 2242508, 4485016, 8970032, 17379437, 34758874, 69517748, 139035496, 278070992]

約数ペア:

[(1, 278070992), (2, 139035496), (4, 69517748), (8, 34758874), (16, 17379437), (31, 8970032), (62, 4485016), (124, 2242508), (211, 1317872), (248, 1121254), (422, 658936), (496, 560627), (844, 329468), (1688, 164734), (2657, 104656), (3376, 82367), (5314, 52328), (6541, 42512), (10628, 26164), (13082, 21256)]