1561571804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{20611}}^1$

素因数の和:20706

約数の個数: 48

約数和(自身を含む): 3102683136

約数和(自身を除く): 1541111332

約数列:

[1, 2, 4, 13, 26, 31, 47, 52, 62, 94, 124, 188, 403, 611, 806, 1222, 1457, 1612, 2444, 2914, 5828, 18941, 20611, 37882, 41222, 75764, 82444, 267943, 535886, 638941, 968717, 1071772, 1277882, 1937434, 2555764, 3874868, 8306233, 12593321, 16612466, 25186642, 30030227, 33224932, 50373284, 60060454, 120120908, 390392951, 780785902, 1561571804]

約数ペア:

[(1, 1561571804), (2, 780785902), (4, 390392951), (13, 120120908), (26, 60060454), (31, 50373284), (47, 33224932), (52, 30030227), (62, 25186642), (94, 16612466), (124, 12593321), (188, 8306233), (403, 3874868), (611, 2555764), (806, 1937434), (1222, 1277882), (1457, 1071772), (1612, 968717), (2444, 638941), (2914, 535886), (5828, 267943), (18941, 82444), (20611, 75764), (37882, 41222)]