28388334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37413906

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 79, 102, 158, 221, 237, 271, 442, 474, 542, 663, 813, 1027, 1326, 1343, 1626, 2054, 2686, 3081, 3523, 4029, 4607, 6162, 7046, 8058, 9214, 10569, 13821, 17459, 21138, 21409, 27642, 34918, 42818, 52377, 59891, 64227, 104754, 119782, 128454, 179673, 278317, 359346, 363953, 556634, 727906, 834951, 1091859, 1669902, 2183718, 4731389, 9462778, 14194167, 28388334]

約数ペア:

[(1, 28388334), (2, 14194167), (3, 9462778), (6, 4731389), (13, 2183718), (17, 1669902), (26, 1091859), (34, 834951), (39, 727906), (51, 556634), (78, 363953), (79, 359346), (102, 278317), (158, 179673), (221, 128454), (237, 119782), (271, 104754), (442, 64227), (474, 59891), (542, 52377), (663, 42818), (813, 34918), (1027, 27642), (1326, 21409), (1343, 21138), (1626, 17459), (2054, 13821), (2686, 10569), (3081, 9214), (3523, 8058), (4029, 7046), (4607, 6162)]