138141890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{445619}}^1$

素因数の和:445657

約数の個数: 16

約数和(自身を含む): 256677120

約数和(自身を除く): 118535230

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 445619, 891238, 2228095, 4456190, 13814189, 27628378, 69070945, 138141890]

約数ペア:

[(1, 138141890), (2, 69070945), (5, 27628378), (10, 13814189), (31, 4456190), (62, 2228095), (155, 891238), (310, 445619)]