88107890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21863}}^1$

素因数の和:21914

約数の個数: 32

約数和(自身を含む): 176311296

約数和(自身を除く): 88203406

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21863, 43726, 109315, 218630, 284219, 568438, 677753, 1355506, 1421095, 2842190, 3388765, 6777530, 8810789, 17621578, 44053945, 88107890]

約数ペア:

[(1, 88107890), (2, 44053945), (5, 17621578), (10, 8810789), (13, 6777530), (26, 3388765), (31, 2842190), (62, 1421095), (65, 1355506), (130, 677753), (155, 568438), (310, 284219), (403, 218630), (806, 109315), (2015, 43726), (4030, 21863)]