321984

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 84

約数和(自身を含む): 1017016

約数和(自身を除く): 695032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 192, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 576, 624, 688, 774, 832, 936, 1032, 1118, 1248, 1376, 1548, 1677, 1872, 2064, 2236, 2496, 2752, 3096, 3354, 3744, 4128, 4472, 5031, 6192, 6708, 7488, 8256, 8944, 10062, 12384, 13416, 17888, 20124, 24768, 26832, 35776, 40248, 53664, 80496, 107328, 160992, 321984]

約数ペア:

[(1, 321984), (2, 160992), (3, 107328), (4, 80496), (6, 53664), (8, 40248), (9, 35776), (12, 26832), (13, 24768), (16, 20124), (18, 17888), (24, 13416), (26, 12384), (32, 10062), (36, 8944), (39, 8256), (43, 7488), (48, 6708), (52, 6192), (64, 5031), (72, 4472), (78, 4128), (86, 3744), (96, 3354), (104, 3096), (117, 2752), (129, 2496), (144, 2236), (156, 2064), (172, 1872), (192, 1677), (208, 1548), (234, 1376), (258, 1248), (288, 1118), (312, 1032), (344, 936), (387, 832), (416, 774), (468, 688), (516, 624), (559, 576)]