164537890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{40427}}^1$

素因数の和:40482

約数の個数: 32

約数和(自身を含む): 331833024

約数和(自身を除く): 167295134

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 40427, 80854, 202135, 404270, 444697, 889394, 1495799, 2223485, 2991598, 4446970, 7478995, 14957990, 16453789, 32907578, 82268945, 164537890]

約数ペア:

[(1, 164537890), (2, 82268945), (5, 32907578), (10, 16453789), (11, 14957990), (22, 7478995), (37, 4446970), (55, 2991598), (74, 2223485), (110, 1495799), (185, 889394), (370, 444697), (407, 404270), (814, 202135), (2035, 80854), (4070, 40427)]