278340862

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 441262080

約数和(自身を除く): 162921218

約数列:

[1, 2, 37, 47, 74, 94, 191, 382, 419, 838, 1739, 3478, 7067, 8977, 14134, 15503, 17954, 19693, 31006, 39386, 80029, 160058, 332149, 664298, 728641, 1457282, 2961073, 3761363, 5922146, 7522726, 139170431, 278340862]

約数ペア:

[(1, 278340862), (2, 139170431), (37, 7522726), (47, 5922146), (74, 3761363), (94, 2961073), (191, 1457282), (382, 728641), (419, 664298), (838, 332149), (1739, 160058), (3478, 80029), (7067, 39386), (8977, 31006), (14134, 19693), (15503, 17954)]