644904

素因数分解:

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

素因数の和:91

約数の個数: 72

約数和(自身を含む): 1926990

約数和(自身を除く): 1282086

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 169, 212, 234, 312, 318, 338, 424, 468, 477, 507, 636, 676, 689, 936, 954, 1014, 1272, 1352, 1378, 1521, 1908, 2028, 2067, 2756, 3042, 3816, 4056, 4134, 5512, 6084, 6201, 8268, 8957, 12168, 12402, 16536, 17914, 24804, 26871, 35828, 49608, 53742, 71656, 80613, 107484, 161226, 214968, 322452, 644904]

約数ペア:

[(1, 644904), (2, 322452), (3, 214968), (4, 161226), (6, 107484), (8, 80613), (9, 71656), (12, 53742), (13, 49608), (18, 35828), (24, 26871), (26, 24804), (36, 17914), (39, 16536), (52, 12402), (53, 12168), (72, 8957), (78, 8268), (104, 6201), (106, 6084), (117, 5512), (156, 4134), (159, 4056), (169, 3816), (212, 3042), (234, 2756), (312, 2067), (318, 2028), (338, 1908), (424, 1521), (468, 1378), (477, 1352), (507, 1272), (636, 1014), (676, 954), (689, 936)]