15928367021

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{2207}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 19082772480

約数和(自身を除く): 3154405459

約数列:

[1, 7, 31, 79, 217, 421, 553, 2207, 2449, 2947, 13051, 15449, 17143, 33259, 68417, 91357, 174353, 232813, 478919, 929147, 1031029, 1220471, 5404943, 6504029, 7217203, 28803557, 37834601, 73402613, 201624899, 513818291, 2275481003, 15928367021]

約数ペア:

[(1, 15928367021), (7, 2275481003), (31, 513818291), (79, 201624899), (217, 73402613), (421, 37834601), (553, 28803557), (2207, 7217203), (2449, 6504029), (2947, 5404943), (13051, 1220471), (15449, 1031029), (17143, 929147), (33259, 478919), (68417, 232813), (91357, 174353)]