718236

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 1847664

約数和(自身を除く): 1129428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 281, 284, 426, 562, 639, 843, 852, 1124, 1278, 1686, 2529, 2556, 3372, 5058, 10116, 19951, 39902, 59853, 79804, 119706, 179559, 239412, 359118, 718236]

約数ペア:

[(1, 718236), (2, 359118), (3, 239412), (4, 179559), (6, 119706), (9, 79804), (12, 59853), (18, 39902), (36, 19951), (71, 10116), (142, 5058), (213, 3372), (281, 2556), (284, 2529), (426, 1686), (562, 1278), (639, 1124), (843, 852)]