81165664

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 166698000

約数和(自身を除く): 85532336

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 149, 232, 298, 464, 587, 596, 928, 1174, 1192, 2348, 2384, 4321, 4696, 4768, 8642, 9392, 17023, 17284, 18784, 34046, 34568, 68092, 69136, 87463, 136184, 138272, 174926, 272368, 349852, 544736, 699704, 1399408, 2536427, 2798816, 5072854, 10145708, 20291416, 40582832, 81165664]

約数ペア:

[(1, 81165664), (2, 40582832), (4, 20291416), (8, 10145708), (16, 5072854), (29, 2798816), (32, 2536427), (58, 1399408), (116, 699704), (149, 544736), (232, 349852), (298, 272368), (464, 174926), (587, 138272), (596, 136184), (928, 87463), (1174, 69136), (1192, 68092), (2348, 34568), (2384, 34046), (4321, 18784), (4696, 17284), (4768, 17023), (8642, 9392)]