78809776

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 160061184

約数和(自身を除く): 81251408

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 331, 368, 647, 662, 1294, 1324, 2588, 2648, 5176, 5296, 7613, 10352, 14881, 15226, 29762, 30452, 59524, 60904, 119048, 121808, 214157, 238096, 428314, 856628, 1713256, 3426512, 4925611, 9851222, 19702444, 39404888, 78809776]

約数ペア:

[(1, 78809776), (2, 39404888), (4, 19702444), (8, 9851222), (16, 4925611), (23, 3426512), (46, 1713256), (92, 856628), (184, 428314), (331, 238096), (368, 214157), (647, 121808), (662, 119048), (1294, 60904), (1324, 59524), (2588, 30452), (2648, 29762), (5176, 15226), (5296, 14881), (7613, 10352)]