42909890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 80607744

約数和(自身を除く): 37697854

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 970, 1427, 2854, 3007, 6014, 7135, 14270, 15035, 30070, 44237, 88474, 138419, 221185, 276838, 442370, 692095, 1384190, 4290989, 8581978, 21454945, 42909890]

約数ペア:

[(1, 42909890), (2, 21454945), (5, 8581978), (10, 4290989), (31, 1384190), (62, 692095), (97, 442370), (155, 276838), (194, 221185), (310, 138419), (485, 88474), (970, 44237), (1427, 30070), (2854, 15035), (3007, 14270), (6014, 7135)]