221256

素因数分解:

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

素因数の和:458

約数の個数: 48

約数和(自身を含む): 686400

約数和(自身を除く): 465144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 439, 504, 878, 1317, 1756, 2634, 3073, 3512, 3951, 5268, 6146, 7902, 9219, 10536, 12292, 15804, 18438, 24584, 27657, 31608, 36876, 55314, 73752, 110628, 221256]

約数ペア:

[(1, 221256), (2, 110628), (3, 73752), (4, 55314), (6, 36876), (7, 31608), (8, 27657), (9, 24584), (12, 18438), (14, 15804), (18, 12292), (21, 10536), (24, 9219), (28, 7902), (36, 6146), (42, 5268), (56, 3951), (63, 3512), (72, 3073), (84, 2634), (126, 1756), (168, 1317), (252, 878), (439, 504)]