91271980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{15791}}^1$

素因数の和:15834

約数の個数: 36

約数和(自身を含む): 203622048

約数和(自身を除く): 112350068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 15791, 31582, 63164, 78955, 157910, 268447, 315820, 536894, 1073788, 1342235, 2684470, 4563599, 5368940, 9127198, 18254396, 22817995, 45635990, 91271980]

約数ペア:

[(1, 91271980), (2, 45635990), (4, 22817995), (5, 18254396), (10, 9127198), (17, 5368940), (20, 4563599), (34, 2684470), (68, 1342235), (85, 1073788), (170, 536894), (289, 315820), (340, 268447), (578, 157910), (1156, 78955), (1445, 63164), (2890, 31582), (5780, 15791)]