399387744

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{198109}}^1$

素因数の和:198132

約数の個数: 72

約数和(自身を含む): 1298016720

約数和(自身を除く): 898628976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 198109, 396218, 594327, 792436, 1188654, 1386763, 1584872, 1782981, 2377308, 2773526, 3169744, 3565962, 4160289, 4754616, 5547052, 6339488, 7131924, 8320578, 9509232, 11094104, 12480867, 14263848, 16641156, 19018464, 22188208, 24961734, 28527696, 33282312, 44376416, 49923468, 57055392, 66564624, 99846936, 133129248, 199693872, 399387744]

約数ペア:

[(1, 399387744), (2, 199693872), (3, 133129248), (4, 99846936), (6, 66564624), (7, 57055392), (8, 49923468), (9, 44376416), (12, 33282312), (14, 28527696), (16, 24961734), (18, 22188208), (21, 19018464), (24, 16641156), (28, 14263848), (32, 12480867), (36, 11094104), (42, 9509232), (48, 8320578), (56, 7131924), (63, 6339488), (72, 5547052), (84, 4754616), (96, 4160289), (112, 3565962), (126, 3169744), (144, 2773526), (168, 2377308), (224, 1782981), (252, 1584872), (288, 1386763), (336, 1188654), (504, 792436), (672, 594327), (1008, 396218), (2016, 198109)]