8721968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 17864928

約数和(自身を除く): 9142960

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 173, 184, 274, 346, 368, 548, 692, 1096, 1384, 2192, 2768, 3151, 3979, 6302, 7958, 12604, 15916, 23701, 25208, 31832, 47402, 50416, 63664, 94804, 189608, 379216, 545123, 1090246, 2180492, 4360984, 8721968]

約数ペア:

[(1, 8721968), (2, 4360984), (4, 2180492), (8, 1090246), (16, 545123), (23, 379216), (46, 189608), (92, 94804), (137, 63664), (173, 50416), (184, 47402), (274, 31832), (346, 25208), (368, 23701), (548, 15916), (692, 12604), (1096, 7958), (1384, 6302), (2192, 3979), (2768, 3151)]