89358128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5647}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 184892928

約数和(自身を除く): 95534800

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 5647, 7912, 11294, 15824, 22588, 45176, 90352, 129881, 242821, 259762, 485642, 519524, 971284, 1039048, 1942568, 2078096, 3885136, 5584883, 11169766, 22339532, 44679064, 89358128]

約数ペア:

[(1, 89358128), (2, 44679064), (4, 22339532), (8, 11169766), (16, 5584883), (23, 3885136), (43, 2078096), (46, 1942568), (86, 1039048), (92, 971284), (172, 519524), (184, 485642), (344, 259762), (368, 242821), (688, 129881), (989, 90352), (1978, 45176), (3956, 22588), (5647, 15824), (7912, 11294)]