840692164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1733}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 1672130880

約数和(自身を除く): 831438716

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 491, 494, 982, 988, 1733, 1964, 3466, 6383, 6932, 9329, 12766, 18658, 22529, 25532, 32927, 37316, 45058, 65854, 90116, 121277, 131708, 242554, 428051, 485108, 850903, 856102, 1701806, 1712204, 3403612, 11061739, 16167157, 22123478, 32334314, 44246956, 64668628, 210173041, 420346082, 840692164]

約数ペア:

[(1, 840692164), (2, 420346082), (4, 210173041), (13, 64668628), (19, 44246956), (26, 32334314), (38, 22123478), (52, 16167157), (76, 11061739), (247, 3403612), (491, 1712204), (494, 1701806), (982, 856102), (988, 850903), (1733, 485108), (1964, 428051), (3466, 242554), (6383, 131708), (6932, 121277), (9329, 90116), (12766, 65854), (18658, 45058), (22529, 37316), (25532, 32927)]