261538284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{444793}}^1$

素因数の和:444814

約数の個数: 36

約数和(自身を含む): 709891224

約数和(自身を除く): 448352940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 444793, 889586, 1334379, 1779172, 2668758, 3113551, 5337516, 6227102, 9340653, 12454204, 18681306, 21794857, 37362612, 43589714, 65384571, 87179428, 130769142, 261538284]

約数ペア:

[(1, 261538284), (2, 130769142), (3, 87179428), (4, 65384571), (6, 43589714), (7, 37362612), (12, 21794857), (14, 18681306), (21, 12454204), (28, 9340653), (42, 6227102), (49, 5337516), (84, 3113551), (98, 2668758), (147, 1779172), (196, 1334379), (294, 889586), (588, 444793)]