88913890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22063}}^1$

素因数の和:22114

約数の個数: 32

約数和(自身を含む): 177924096

約数和(自身を除く): 89010206

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22063, 44126, 110315, 220630, 286819, 573638, 683953, 1367906, 1434095, 2868190, 3419765, 6839530, 8891389, 17782778, 44456945, 88913890]

約数ペア:

[(1, 88913890), (2, 44456945), (5, 17782778), (10, 8891389), (13, 6839530), (26, 3419765), (31, 2868190), (62, 1434095), (65, 1367906), (130, 683953), (155, 573638), (310, 286819), (403, 220630), (806, 110315), (2015, 44126), (4030, 22063)]