251729568

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20327}}^1$

素因数の和:20386

約数の個数: 72

約数和(自身を含む): 732539808

約数和(自身を除く): 480810240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 20327, 40654, 60981, 81308, 121962, 162616, 182943, 243924, 325232, 365886, 487848, 650464, 731772, 874061, 975696, 1463544, 1748122, 1951392, 2622183, 2927088, 3496244, 5244366, 5854176, 6992488, 7866549, 10488732, 13984976, 15733098, 20977464, 27969952, 31466196, 41954928, 62932392, 83909856, 125864784, 251729568]

約数ペア:

[(1, 251729568), (2, 125864784), (3, 83909856), (4, 62932392), (6, 41954928), (8, 31466196), (9, 27969952), (12, 20977464), (16, 15733098), (18, 13984976), (24, 10488732), (32, 7866549), (36, 6992488), (43, 5854176), (48, 5244366), (72, 3496244), (86, 2927088), (96, 2622183), (129, 1951392), (144, 1748122), (172, 1463544), (258, 975696), (288, 874061), (344, 731772), (387, 650464), (516, 487848), (688, 365886), (774, 325232), (1032, 243924), (1376, 182943), (1548, 162616), (2064, 121962), (3096, 81308), (4128, 60981), (6192, 40654), (12384, 20327)]