247604

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 510720

約数和(自身を除く): 263116

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 239, 259, 478, 518, 956, 1036, 1673, 3346, 6692, 8843, 17686, 35372, 61901, 123802, 247604]

約数ペア:

[(1, 247604), (2, 123802), (4, 61901), (7, 35372), (14, 17686), (28, 8843), (37, 6692), (74, 3346), (148, 1673), (239, 1036), (259, 956), (478, 518)]