400129938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{19213}}^1$

素因数の和:19323

約数の個数: 48

約数和(自身を含む): 944175960

約数和(自身を除く): 544046022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 1157, 1602, 2314, 3471, 6942, 10413, 19213, 20826, 38426, 57639, 115278, 172917, 249769, 345834, 499538, 749307, 1498614, 1709957, 2247921, 3419914, 4495842, 5129871, 10259742, 15389613, 22229441, 30779226, 44458882, 66688323, 133376646, 200064969, 400129938]

約数ペア:

[(1, 400129938), (2, 200064969), (3, 133376646), (6, 66688323), (9, 44458882), (13, 30779226), (18, 22229441), (26, 15389613), (39, 10259742), (78, 5129871), (89, 4495842), (117, 3419914), (178, 2247921), (234, 1709957), (267, 1498614), (534, 749307), (801, 499538), (1157, 345834), (1602, 249769), (2314, 172917), (3471, 115278), (6942, 57639), (10413, 38426), (19213, 20826)]