217538568

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{77471}}^1$

素因数の和:77499

約数の個数: 64

約数和(自身を含む): 650764800

約数和(自身を除く): 433226232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 77471, 154942, 232413, 309884, 464826, 619768, 697239, 929652, 1007123, 1394478, 1859304, 2014246, 2091717, 2788956, 3021369, 4028492, 4183434, 5577912, 6042738, 8056984, 8366868, 9064107, 12085476, 16733736, 18128214, 24170952, 27192321, 36256428, 54384642, 72512856, 108769284, 217538568]

約数ペア:

[(1, 217538568), (2, 108769284), (3, 72512856), (4, 54384642), (6, 36256428), (8, 27192321), (9, 24170952), (12, 18128214), (13, 16733736), (18, 12085476), (24, 9064107), (26, 8366868), (27, 8056984), (36, 6042738), (39, 5577912), (52, 4183434), (54, 4028492), (72, 3021369), (78, 2788956), (104, 2091717), (108, 2014246), (117, 1859304), (156, 1394478), (216, 1007123), (234, 929652), (312, 697239), (351, 619768), (468, 464826), (702, 309884), (936, 232413), (1404, 154942), (2808, 77471)]