28295990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9791}}^1$

素因数の和:9832

約数の個数: 24

約数和(自身を含む): 54110592

約数和(自身を除く): 25814602

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 9791, 19582, 48955, 97910, 166447, 332894, 832235, 1664470, 2829599, 5659198, 14147995, 28295990]

約数ペア:

[(1, 28295990), (2, 14147995), (5, 5659198), (10, 2829599), (17, 1664470), (34, 832235), (85, 332894), (170, 166447), (289, 97910), (578, 48955), (1445, 19582), (2890, 9791)]