216808408

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 436550400

約数和(自身を除く): 219741992

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 103, 116, 172, 206, 211, 232, 344, 412, 422, 824, 844, 1247, 1688, 2494, 2987, 4429, 4988, 5974, 6119, 8858, 9073, 9976, 11948, 12238, 17716, 18146, 21733, 23896, 24476, 35432, 36292, 43466, 48952, 72584, 86932, 128441, 173864, 256882, 263117, 513764, 526234, 630257, 934519, 1027528, 1052468, 1260514, 1869038, 2104936, 2521028, 3738076, 5042056, 7476152, 27101051, 54202102, 108404204, 216808408]

約数ペア:

[(1, 216808408), (2, 108404204), (4, 54202102), (8, 27101051), (29, 7476152), (43, 5042056), (58, 3738076), (86, 2521028), (103, 2104936), (116, 1869038), (172, 1260514), (206, 1052468), (211, 1027528), (232, 934519), (344, 630257), (412, 526234), (422, 513764), (824, 263117), (844, 256882), (1247, 173864), (1688, 128441), (2494, 86932), (2987, 72584), (4429, 48952), (4988, 43466), (5974, 36292), (6119, 35432), (8858, 24476), (9073, 23896), (9976, 21733), (11948, 18146), (12238, 17716)]