2678416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 5694080

約数和(自身を除く): 3015664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 163, 208, 316, 326, 632, 652, 1027, 1264, 1304, 2054, 2119, 2608, 4108, 4238, 8216, 8476, 12877, 16432, 16952, 25754, 33904, 51508, 103016, 167401, 206032, 334802, 669604, 1339208, 2678416]

約数ペア:

[(1, 2678416), (2, 1339208), (4, 669604), (8, 334802), (13, 206032), (16, 167401), (26, 103016), (52, 51508), (79, 33904), (104, 25754), (158, 16952), (163, 16432), (208, 12877), (316, 8476), (326, 8216), (632, 4238), (652, 4108), (1027, 2608), (1264, 2119), (1304, 2054)]