85285590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218681}}^1$

素因数の和:218704

約数の個数: 32

約数和(自身を含む): 220431456

約数和(自身を除く): 135145866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 218681, 437362, 656043, 1093405, 1312086, 2186810, 2842853, 3280215, 5685706, 6560430, 8528559, 14214265, 17057118, 28428530, 42642795, 85285590]

約数ペア:

[(1, 85285590), (2, 42642795), (3, 28428530), (5, 17057118), (6, 14214265), (10, 8528559), (13, 6560430), (15, 5685706), (26, 3280215), (30, 2842853), (39, 2186810), (65, 1312086), (78, 1093405), (130, 656043), (195, 437362), (390, 218681)]