28338830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12823}}^1$

素因数の和:12860

約数の個数: 32

約数和(自身を含む): 58169664

約数和(自身を除く): 29830834

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 12823, 25646, 64115, 128230, 166699, 217991, 333398, 435982, 833495, 1089955, 1666990, 2179910, 2833883, 5667766, 14169415, 28338830]

約数ペア:

[(1, 28338830), (2, 14169415), (5, 5667766), (10, 2833883), (13, 2179910), (17, 1666990), (26, 1089955), (34, 833495), (65, 435982), (85, 333398), (130, 217991), (170, 166699), (221, 128230), (442, 64115), (1105, 25646), (2210, 12823)]