67665728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 145767552

約数和(自身を除く): 78101824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 416, 487, 668, 832, 974, 1336, 1948, 2171, 2672, 3896, 4342, 5344, 6331, 7792, 8684, 10688, 12662, 15584, 17368, 25324, 31168, 34736, 50648, 69472, 81329, 101296, 138944, 162658, 202592, 325316, 405184, 650632, 1057277, 1301264, 2114554, 2602528, 4229108, 5205056, 8458216, 16916432, 33832864, 67665728]

約数ペア:

[(1, 67665728), (2, 33832864), (4, 16916432), (8, 8458216), (13, 5205056), (16, 4229108), (26, 2602528), (32, 2114554), (52, 1301264), (64, 1057277), (104, 650632), (167, 405184), (208, 325316), (334, 202592), (416, 162658), (487, 138944), (668, 101296), (832, 81329), (974, 69472), (1336, 50648), (1948, 34736), (2171, 31168), (2672, 25324), (3896, 17368), (4342, 15584), (5344, 12662), (6331, 10688), (7792, 8684)]