27887948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 27269812

約数列:

[1, 2, 4, 11, 22, 44, 71, 79, 113, 142, 158, 226, 284, 316, 452, 781, 869, 1243, 1562, 1738, 2486, 3124, 3476, 4972, 5609, 8023, 8927, 11218, 16046, 17854, 22436, 32092, 35708, 61699, 88253, 98197, 123398, 176506, 196394, 246796, 353012, 392788, 633817, 1267634, 2535268, 6971987, 13943974, 27887948]

約数ペア:

[(1, 27887948), (2, 13943974), (4, 6971987), (11, 2535268), (22, 1267634), (44, 633817), (71, 392788), (79, 353012), (113, 246796), (142, 196394), (158, 176506), (226, 123398), (284, 98197), (316, 88253), (452, 61699), (781, 35708), (869, 32092), (1243, 22436), (1562, 17854), (1738, 16046), (2486, 11218), (3124, 8927), (3476, 8023), (4972, 5609)]