31307530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 59000400

約数和(自身を除く): 27692870

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 1213, 2426, 2581, 5162, 6065, 12130, 12905, 25810, 35177, 70354, 107957, 175885, 215914, 351770, 539785, 1079570, 3130753, 6261506, 15653765, 31307530]

約数ペア:

[(1, 31307530), (2, 15653765), (5, 6261506), (10, 3130753), (29, 1079570), (58, 539785), (89, 351770), (145, 215914), (178, 175885), (290, 107957), (445, 70354), (890, 35177), (1213, 25810), (2426, 12905), (2581, 12130), (5162, 6065)]