31399030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 64266048

約数和(自身を除く): 32867018

約数列:

[1, 2, 5, 10, 13, 26, 41, 43, 65, 82, 86, 130, 137, 205, 215, 274, 410, 430, 533, 559, 685, 1066, 1118, 1370, 1763, 1781, 2665, 2795, 3526, 3562, 5330, 5590, 5617, 5891, 8815, 8905, 11234, 11782, 17630, 17810, 22919, 28085, 29455, 45838, 56170, 58910, 73021, 76583, 114595, 146042, 153166, 229190, 241531, 365105, 382915, 483062, 730210, 765830, 1207655, 2415310, 3139903, 6279806, 15699515, 31399030]

約数ペア:

[(1, 31399030), (2, 15699515), (5, 6279806), (10, 3139903), (13, 2415310), (26, 1207655), (41, 765830), (43, 730210), (65, 483062), (82, 382915), (86, 365105), (130, 241531), (137, 229190), (205, 153166), (215, 146042), (274, 114595), (410, 76583), (430, 73021), (533, 58910), (559, 56170), (685, 45838), (1066, 29455), (1118, 28085), (1370, 22919), (1763, 17810), (1781, 17630), (2665, 11782), (2795, 11234), (3526, 8905), (3562, 8815), (5330, 5891), (5590, 5617)]