89903710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18691}}^1$

素因数の和:18748

約数の個数: 32

約数和(自身を含む): 178994592

約数和(自身を除く): 89090882

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 18691, 37382, 93455, 186910, 242983, 485966, 691567, 1214915, 1383134, 2429830, 3457835, 6915670, 8990371, 17980742, 44951855, 89903710]

約数ペア:

[(1, 89903710), (2, 44951855), (5, 17980742), (10, 8990371), (13, 6915670), (26, 3457835), (37, 2429830), (65, 1383134), (74, 1214915), (130, 691567), (185, 485966), (370, 242983), (481, 186910), (962, 93455), (2405, 37382), (4810, 18691)]