64708904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20071}}^1$

素因数の和:20121

約数の個数: 32

約数和(自身を含む): 134883840

約数和(自身を除く): 70174936

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 20071, 40142, 80284, 160568, 260923, 521846, 622201, 1043692, 1244402, 2087384, 2488804, 4977608, 8088613, 16177226, 32354452, 64708904]

約数ペア:

[(1, 64708904), (2, 32354452), (4, 16177226), (8, 8088613), (13, 4977608), (26, 2488804), (31, 2087384), (52, 1244402), (62, 1043692), (104, 622201), (124, 521846), (248, 260923), (403, 160568), (806, 80284), (1612, 40142), (3224, 20071)]