256985508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{5821}}^1$

素因数の和:6124

約数の個数: 48

約数和(自身を含む): 648151616

約数和(自身を除く): 391166108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 283, 566, 849, 1132, 1698, 3396, 3679, 5821, 7358, 11037, 11642, 14716, 17463, 22074, 23284, 34926, 44148, 69852, 75673, 151346, 227019, 302692, 454038, 908076, 1647343, 3294686, 4942029, 6589372, 9884058, 19768116, 21415459, 42830918, 64246377, 85661836, 128492754, 256985508]

約数ペア:

[(1, 256985508), (2, 128492754), (3, 85661836), (4, 64246377), (6, 42830918), (12, 21415459), (13, 19768116), (26, 9884058), (39, 6589372), (52, 4942029), (78, 3294686), (156, 1647343), (283, 908076), (566, 454038), (849, 302692), (1132, 227019), (1698, 151346), (3396, 75673), (3679, 69852), (5821, 44148), (7358, 34926), (11037, 23284), (11642, 22074), (14716, 17463)]