247732856

素因数分解:

$2^3\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{3989}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 531468000

約数和(自身を除く): 283735144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1109, 2218, 3989, 4436, 7763, 7978, 8872, 15526, 15956, 27923, 31052, 31912, 55846, 62104, 111692, 223384, 4423801, 8847602, 17695204, 30966607, 35390408, 61933214, 123866428, 247732856]

約数ペア:

[(1, 247732856), (2, 123866428), (4, 61933214), (7, 35390408), (8, 30966607), (14, 17695204), (28, 8847602), (56, 4423801), (1109, 223384), (2218, 111692), (3989, 62104), (4436, 55846), (7763, 31912), (7978, 31052), (8872, 27923), (15526, 15956)]