128522890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{3137}}^1$

素因数の和:3402

約数の個数: 32

約数和(自身を含む): 246044304

約数和(自身を除く): 117521414

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 1205, 2410, 3137, 4097, 6274, 8194, 15685, 20485, 31370, 40970, 53329, 106658, 266645, 533290, 756017, 1512034, 3780085, 7560170, 12852289, 25704578, 64261445, 128522890]

約数ペア:

[(1, 128522890), (2, 64261445), (5, 25704578), (10, 12852289), (17, 7560170), (34, 3780085), (85, 1512034), (170, 756017), (241, 533290), (482, 266645), (1205, 106658), (2410, 53329), (3137, 40970), (4097, 31370), (6274, 20485), (8194, 15685)]