257477292

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{18481}}^1$

素因数の和:18540

約数の個数: 60

約数和(自身を含む): 688787176

約数和(自身を除く): 431309884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 2322, 3483, 4644, 6966, 13932, 18481, 36962, 55443, 73924, 110886, 166329, 221772, 332658, 498987, 665316, 794683, 997974, 1496961, 1589366, 1995948, 2384049, 2993922, 3178732, 4768098, 5987844, 7152147, 9536196, 14304294, 21456441, 28608588, 42912882, 64369323, 85825764, 128738646, 257477292]

約数ペア:

[(1, 257477292), (2, 128738646), (3, 85825764), (4, 64369323), (6, 42912882), (9, 28608588), (12, 21456441), (18, 14304294), (27, 9536196), (36, 7152147), (43, 5987844), (54, 4768098), (81, 3178732), (86, 2993922), (108, 2384049), (129, 1995948), (162, 1589366), (172, 1496961), (258, 997974), (324, 794683), (387, 665316), (516, 498987), (774, 332658), (1161, 221772), (1548, 166329), (2322, 110886), (3483, 73924), (4644, 55443), (6966, 36962), (13932, 18481)]