129017275

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 163833264

約数和(自身を除く): 34815989

約数列:

[1, 5, 25, 83, 97, 415, 485, 641, 2075, 2425, 3205, 8051, 16025, 40255, 53203, 62177, 201275, 266015, 310885, 1330075, 1554425, 5160691, 25803455, 129017275]

約数ペア:

[(1, 129017275), (5, 25803455), (25, 5160691), (83, 1554425), (97, 1330075), (415, 310885), (485, 266015), (641, 201275), (2075, 62177), (2425, 53203), (3205, 40255), (8051, 16025)]