28451982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38076018

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 43, 51, 78, 86, 102, 129, 221, 258, 442, 499, 559, 663, 731, 998, 1118, 1326, 1462, 1497, 1677, 2193, 2994, 3354, 4386, 6487, 8483, 9503, 12974, 16966, 19006, 19461, 21457, 25449, 28509, 38922, 42914, 50898, 57018, 64371, 110279, 128742, 220558, 278941, 330837, 364769, 557882, 661674, 729538, 836823, 1094307, 1673646, 2188614, 4741997, 9483994, 14225991, 28451982]

約数ペア:

[(1, 28451982), (2, 14225991), (3, 9483994), (6, 4741997), (13, 2188614), (17, 1673646), (26, 1094307), (34, 836823), (39, 729538), (43, 661674), (51, 557882), (78, 364769), (86, 330837), (102, 278941), (129, 220558), (221, 128742), (258, 110279), (442, 64371), (499, 57018), (559, 50898), (663, 42914), (731, 38922), (998, 28509), (1118, 25449), (1326, 21457), (1462, 19461), (1497, 19006), (1677, 16966), (2193, 12974), (2994, 9503), (3354, 8483), (4386, 6487)]