138974405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{44189}}^1$

素因数の和:44248

約数の個数: 16

約数和(自身を含む): 181355760

約数和(自身を除く): 42381355

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 44189, 220945, 751213, 1634993, 3756065, 8174965, 27794881, 138974405]

約数ペア:

[(1, 138974405), (5, 27794881), (17, 8174965), (37, 3756065), (85, 1634993), (185, 751213), (629, 220945), (3145, 44189)]