64909715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3797}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 84224448

約数和(自身を除く): 19314733

約数列:

[1, 5, 13, 65, 263, 1315, 3419, 3797, 17095, 18985, 49361, 246805, 998611, 4993055, 12981943, 64909715]

約数ペア:

[(1, 64909715), (5, 12981943), (13, 4993055), (65, 998611), (263, 246805), (1315, 49361), (3419, 18985), (3797, 17095)]