1991711238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{1283}}^1$

素因数の和:1889

約数の個数: 64

約数和(自身を含む): 4458212352

約数和(自身を除く): 2466501114

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 547, 946, 1094, 1283, 1419, 1641, 2566, 2838, 3282, 3849, 6017, 7698, 12034, 14113, 18051, 23521, 28226, 36102, 42339, 47042, 55169, 70563, 84678, 110338, 141126, 165507, 258731, 331014, 517462, 606859, 701801, 776193, 1213718, 1403602, 1552386, 1820577, 2105403, 3641154, 4210806, 7719811, 15439622, 23159433, 30177443, 46318866, 60354886, 90532329, 181064658, 331951873, 663903746, 995855619, 1991711238]

約数ペア:

[(1, 1991711238), (2, 995855619), (3, 663903746), (6, 331951873), (11, 181064658), (22, 90532329), (33, 60354886), (43, 46318866), (66, 30177443), (86, 23159433), (129, 15439622), (258, 7719811), (473, 4210806), (547, 3641154), (946, 2105403), (1094, 1820577), (1283, 1552386), (1419, 1403602), (1641, 1213718), (2566, 776193), (2838, 701801), (3282, 606859), (3849, 517462), (6017, 331014), (7698, 258731), (12034, 165507), (14113, 141126), (18051, 110338), (23521, 84678), (28226, 70563), (36102, 55169), (42339, 47042)]