9781394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 17991936

約数和(自身を除く): 8210542

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 821, 851, 1642, 1702, 5747, 5957, 11494, 11914, 18883, 30377, 37766, 60754, 132181, 212639, 264362, 425278, 698671, 1397342, 4890697, 9781394]

約数ペア:

[(1, 9781394), (2, 4890697), (7, 1397342), (14, 698671), (23, 425278), (37, 264362), (46, 212639), (74, 132181), (161, 60754), (259, 37766), (322, 30377), (518, 18883), (821, 11914), (851, 11494), (1642, 5957), (1702, 5747)]