721531006

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{4957}}^1$

素因数の和:5284

約数の個数: 32

約数和(自身を含む): 1275118272

約数和(自身を除く): 553587266

約数列:

[1, 2, 7, 14, 37, 74, 259, 281, 518, 562, 1967, 3934, 4957, 9914, 10397, 20794, 34699, 69398, 72779, 145558, 183409, 366818, 1283863, 1392917, 2567726, 2785834, 9750419, 19500838, 51537929, 103075858, 360765503, 721531006]

約数ペア:

[(1, 721531006), (2, 360765503), (7, 103075858), (14, 51537929), (37, 19500838), (74, 9750419), (259, 2785834), (281, 2567726), (518, 1392917), (562, 1283863), (1967, 366818), (3934, 183409), (4957, 145558), (9914, 72779), (10397, 69398), (20794, 34699)]