28397728

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 58786560

約数和(自身を除く): 30388832

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 71, 116, 142, 232, 284, 431, 464, 568, 862, 928, 1136, 1724, 2059, 2272, 3448, 4118, 6896, 8236, 12499, 13792, 16472, 24998, 30601, 32944, 49996, 61202, 65888, 99992, 122404, 199984, 244808, 399968, 489616, 887429, 979232, 1774858, 3549716, 7099432, 14198864, 28397728]

約数ペア:

[(1, 28397728), (2, 14198864), (4, 7099432), (8, 3549716), (16, 1774858), (29, 979232), (32, 887429), (58, 489616), (71, 399968), (116, 244808), (142, 199984), (232, 122404), (284, 99992), (431, 65888), (464, 61202), (568, 49996), (862, 32944), (928, 30601), (1136, 24998), (1724, 16472), (2059, 13792), (2272, 12499), (3448, 8236), (4118, 6896)]