90209470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10357}}^1$

素因数の和:10444

約数の個数: 32

約数和(自身を含む): 177494688

約数和(自身を除く): 87285218

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 10357, 20714, 51785, 103570, 134641, 269282, 673205, 693919, 1346410, 1387838, 3469595, 6939190, 9020947, 18041894, 45104735, 90209470]

約数ペア:

[(1, 90209470), (2, 45104735), (5, 18041894), (10, 9020947), (13, 6939190), (26, 3469595), (65, 1387838), (67, 1346410), (130, 693919), (134, 673205), (335, 269282), (670, 134641), (871, 103570), (1742, 51785), (4355, 20714), (8710, 10357)]