644837112

素因数分解:

$2^3\times 3^4\times {\mathrm{995119}}^1$

素因数の和:995137

約数の個数: 40

約数和(自身を含む): 1806142800

約数和(自身を除く): 1161305688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 995119, 1990238, 2985357, 3980476, 5970714, 7960952, 8956071, 11941428, 17912142, 23882856, 26868213, 35824284, 53736426, 71648568, 80604639, 107472852, 161209278, 214945704, 322418556, 644837112]

約数ペア:

[(1, 644837112), (2, 322418556), (3, 214945704), (4, 161209278), (6, 107472852), (8, 80604639), (9, 71648568), (12, 53736426), (18, 35824284), (24, 26868213), (27, 23882856), (36, 17912142), (54, 11941428), (72, 8956071), (81, 7960952), (108, 5970714), (162, 3980476), (216, 2985357), (324, 1990238), (648, 995119)]