1280851908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{111301}}^1$

素因数の和:111452

約数の個数: 48

約数和(自身を含む): 3440567424

約数和(自身を除く): 2159715516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1918, 2877, 3836, 5754, 11508, 111301, 222602, 333903, 445204, 667806, 779107, 1335612, 1558214, 2337321, 3116428, 4674642, 9349284, 15248237, 30496474, 45744711, 60992948, 91489422, 106737659, 182978844, 213475318, 320212977, 426950636, 640425954, 1280851908]

約数ペア:

[(1, 1280851908), (2, 640425954), (3, 426950636), (4, 320212977), (6, 213475318), (7, 182978844), (12, 106737659), (14, 91489422), (21, 60992948), (28, 45744711), (42, 30496474), (84, 15248237), (137, 9349284), (274, 4674642), (411, 3116428), (548, 2337321), (822, 1558214), (959, 1335612), (1644, 779107), (1918, 667806), (2877, 445204), (3836, 333903), (5754, 222602), (11508, 111301)]