139229416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19489}}^1$

素因数の和:19561

約数の個数: 32

約数和(自身を含む): 280656000

約数和(自身を除く): 141426584

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 19489, 38978, 77956, 155912, 370291, 740582, 915983, 1481164, 1831966, 2962328, 3663932, 7327864, 17403677, 34807354, 69614708, 139229416]

約数ペア:

[(1, 139229416), (2, 69614708), (4, 34807354), (8, 17403677), (19, 7327864), (38, 3663932), (47, 2962328), (76, 1831966), (94, 1481164), (152, 915983), (188, 740582), (376, 370291), (893, 155912), (1786, 77956), (3572, 38978), (7144, 19489)]