398687152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{15259}}^1$

素因数の和:15361

約数の個数: 40

約数和(自身を含む): 817447680

約数和(自身を除く): 418760528

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 1136, 1633, 3266, 6532, 13064, 15259, 26128, 30518, 61036, 122072, 244144, 350957, 701914, 1083389, 1403828, 2166778, 2807656, 4333556, 5615312, 8667112, 17334224, 24917947, 49835894, 99671788, 199343576, 398687152]

約数ペア:

[(1, 398687152), (2, 199343576), (4, 99671788), (8, 49835894), (16, 24917947), (23, 17334224), (46, 8667112), (71, 5615312), (92, 4333556), (142, 2807656), (184, 2166778), (284, 1403828), (368, 1083389), (568, 701914), (1136, 350957), (1633, 244144), (3266, 122072), (6532, 61036), (13064, 30518), (15259, 26128)]