1644907576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{2789}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 3416968800

約数和(自身を除く): 1772061224

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 107, 212, 214, 424, 428, 689, 856, 1378, 1391, 2756, 2782, 2789, 5512, 5564, 5578, 5671, 11128, 11156, 11342, 22312, 22684, 36257, 45368, 72514, 73723, 145028, 147446, 147817, 290056, 294892, 295634, 298423, 589784, 591268, 596846, 1182536, 1193692, 1921621, 2387384, 3843242, 3879499, 7686484, 7758998, 15372968, 15517996, 15816419, 31035992, 31632838, 63265676, 126531352, 205613447, 411226894, 822453788, 1644907576]

約数ペア:

[(1, 1644907576), (2, 822453788), (4, 411226894), (8, 205613447), (13, 126531352), (26, 63265676), (52, 31632838), (53, 31035992), (104, 15816419), (106, 15517996), (107, 15372968), (212, 7758998), (214, 7686484), (424, 3879499), (428, 3843242), (689, 2387384), (856, 1921621), (1378, 1193692), (1391, 1182536), (2756, 596846), (2782, 591268), (2789, 589784), (5512, 298423), (5564, 295634), (5578, 294892), (5671, 290056), (11128, 147817), (11156, 147446), (11342, 145028), (22312, 73723), (22684, 72514), (36257, 45368)]