138876590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{1583}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 259117056

約数和(自身を除く): 120240466

約数列:

[1, 2, 5, 10, 31, 62, 155, 283, 310, 566, 1415, 1583, 2830, 3166, 7915, 8773, 15830, 17546, 43865, 49073, 87730, 98146, 245365, 447989, 490730, 895978, 2239945, 4479890, 13887659, 27775318, 69438295, 138876590]

約数ペア:

[(1, 138876590), (2, 69438295), (5, 27775318), (10, 13887659), (31, 4479890), (62, 2239945), (155, 895978), (283, 490730), (310, 447989), (566, 245365), (1415, 98146), (1583, 87730), (2830, 49073), (3166, 43865), (7915, 17546), (8773, 15830)]