318565552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{7649}}^1$

素因数の和:7813

約数の個数: 40

約数和(自身を含む): 654534000

約数和(自身を除く): 335968448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 1096, 2192, 2603, 5206, 7649, 10412, 15298, 20824, 30596, 41648, 61192, 122384, 145331, 290662, 581324, 1047913, 1162648, 2095826, 2325296, 4191652, 8383304, 16766608, 19910347, 39820694, 79641388, 159282776, 318565552]

約数ペア:

[(1, 318565552), (2, 159282776), (4, 79641388), (8, 39820694), (16, 19910347), (19, 16766608), (38, 8383304), (76, 4191652), (137, 2325296), (152, 2095826), (274, 1162648), (304, 1047913), (548, 581324), (1096, 290662), (2192, 145331), (2603, 122384), (5206, 61192), (7649, 41648), (10412, 30596), (15298, 20824)]