661699712

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4589

約数の個数: 64

約数和(自身を含む): 1397840640

約数和(自身を除く): 736140928

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 296, 496, 592, 992, 1147, 1184, 1984, 2294, 2368, 3968, 4507, 4588, 4736, 9014, 9176, 18028, 18352, 36056, 36704, 72112, 73408, 139717, 144224, 146816, 166759, 279434, 288448, 333518, 558868, 576896, 667036, 1117736, 1334072, 2235472, 2668144, 4470944, 5169529, 5336288, 8941888, 10339058, 10672576, 17883776, 20678116, 21345152, 41356232, 82712464, 165424928, 330849856, 661699712]

約数ペア:

[(1, 661699712), (2, 330849856), (4, 165424928), (8, 82712464), (16, 41356232), (31, 21345152), (32, 20678116), (37, 17883776), (62, 10672576), (64, 10339058), (74, 8941888), (124, 5336288), (128, 5169529), (148, 4470944), (248, 2668144), (296, 2235472), (496, 1334072), (592, 1117736), (992, 667036), (1147, 576896), (1184, 558868), (1984, 333518), (2294, 288448), (2368, 279434), (3968, 166759), (4507, 146816), (4588, 144224), (4736, 139717), (9014, 73408), (9176, 72112), (18028, 36704), (18352, 36056)]