74788090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{881}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 145360656

約数和(自身を除く): 70572566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 881, 1306, 1762, 3265, 4405, 6530, 8489, 8810, 11453, 16978, 22906, 42445, 57265, 84890, 114530, 575293, 1150586, 2876465, 5752930, 7478809, 14957618, 37394045, 74788090]

約数ペア:

[(1, 74788090), (2, 37394045), (5, 14957618), (10, 7478809), (13, 5752930), (26, 2876465), (65, 1150586), (130, 575293), (653, 114530), (881, 84890), (1306, 57265), (1762, 42445), (3265, 22906), (4405, 16978), (6530, 11453), (8489, 8810)]