42905395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 15155405

約数列:

[1, 5, 13, 31, 65, 107, 155, 199, 403, 535, 995, 1391, 2015, 2587, 3317, 6169, 6955, 12935, 16585, 21293, 30845, 43121, 80197, 106465, 215605, 276809, 400985, 660083, 1384045, 3300415, 8581079, 42905395]

約数ペア:

[(1, 42905395), (5, 8581079), (13, 3300415), (31, 1384045), (65, 660083), (107, 400985), (155, 276809), (199, 215605), (403, 106465), (535, 80197), (995, 43121), (1391, 30845), (2015, 21293), (2587, 16585), (3317, 12935), (6169, 6955)]