257735556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{550717}}^1$

素因数の和:550740

約数の個数: 36

約数和(自身を含む): 701614732

約数和(自身を除く): 443879176

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 550717, 1101434, 1652151, 2202868, 3304302, 4956453, 6608604, 7159321, 9912906, 14318642, 19825812, 21477963, 28637284, 42955926, 64433889, 85911852, 128867778, 257735556]

約数ペア:

[(1, 257735556), (2, 128867778), (3, 85911852), (4, 64433889), (6, 42955926), (9, 28637284), (12, 21477963), (13, 19825812), (18, 14318642), (26, 9912906), (36, 7159321), (39, 6608604), (52, 4956453), (78, 3304302), (117, 2202868), (156, 1652151), (234, 1101434), (468, 550717)]