631764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 1921920

約数和(自身を除く): 1290156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 109, 126, 138, 161, 207, 218, 252, 276, 322, 327, 414, 436, 483, 644, 654, 763, 828, 966, 981, 1308, 1449, 1526, 1932, 1962, 2289, 2507, 2898, 3052, 3924, 4578, 5014, 5796, 6867, 7521, 9156, 10028, 13734, 15042, 17549, 22563, 27468, 30084, 35098, 45126, 52647, 70196, 90252, 105294, 157941, 210588, 315882, 631764]

約数ペア:

[(1, 631764), (2, 315882), (3, 210588), (4, 157941), (6, 105294), (7, 90252), (9, 70196), (12, 52647), (14, 45126), (18, 35098), (21, 30084), (23, 27468), (28, 22563), (36, 17549), (42, 15042), (46, 13734), (63, 10028), (69, 9156), (84, 7521), (92, 6867), (109, 5796), (126, 5014), (138, 4578), (161, 3924), (207, 3052), (218, 2898), (252, 2507), (276, 2289), (322, 1962), (327, 1932), (414, 1526), (436, 1449), (483, 1308), (644, 981), (654, 966), (763, 828)]