663768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{439}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 2112000

約数和(自身を除く): 1448232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 439, 504, 756, 878, 1317, 1512, 1756, 2634, 3073, 3512, 3951, 5268, 6146, 7902, 9219, 10536, 11853, 12292, 15804, 18438, 23706, 24584, 27657, 31608, 36876, 47412, 55314, 73752, 82971, 94824, 110628, 165942, 221256, 331884, 663768]

約数ペア:

[(1, 663768), (2, 331884), (3, 221256), (4, 165942), (6, 110628), (7, 94824), (8, 82971), (9, 73752), (12, 55314), (14, 47412), (18, 36876), (21, 31608), (24, 27657), (27, 24584), (28, 23706), (36, 18438), (42, 15804), (54, 12292), (56, 11853), (63, 10536), (72, 9219), (84, 7902), (108, 6146), (126, 5268), (168, 3951), (189, 3512), (216, 3073), (252, 2634), (378, 1756), (439, 1512), (504, 1317), (756, 878)]