678236432

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:408

約数の個数: 60

約数和(自身を含む): 1363954368

約数和(自身を除く): 685717936

約数列:

[1, 2, 4, 8, 16, 41, 82, 151, 164, 167, 302, 328, 334, 604, 656, 668, 1208, 1336, 1681, 2416, 2672, 3362, 6191, 6724, 6847, 12382, 13448, 13694, 24764, 25217, 26896, 27388, 49528, 50434, 54776, 99056, 100868, 109552, 201736, 253831, 280727, 403472, 507662, 561454, 1015324, 1033897, 1122908, 2030648, 2067794, 2245816, 4061296, 4135588, 4491632, 8271176, 16542352, 42389777, 84779554, 169559108, 339118216, 678236432]

約数ペア:

[(1, 678236432), (2, 339118216), (4, 169559108), (8, 84779554), (16, 42389777), (41, 16542352), (82, 8271176), (151, 4491632), (164, 4135588), (167, 4061296), (302, 2245816), (328, 2067794), (334, 2030648), (604, 1122908), (656, 1033897), (668, 1015324), (1208, 561454), (1336, 507662), (1681, 403472), (2416, 280727), (2672, 253831), (3362, 201736), (6191, 109552), (6724, 100868), (6847, 99056), (12382, 54776), (13448, 50434), (13694, 49528), (24764, 27388), (25217, 26896)]