218697856

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{787}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 472610880

約数和(自身を除く): 253913024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 167, 208, 334, 416, 668, 787, 832, 1336, 1574, 1664, 2171, 2672, 3148, 4342, 5344, 6296, 8684, 10231, 10688, 12592, 17368, 20462, 21376, 25184, 34736, 40924, 50368, 69472, 81848, 100736, 131429, 138944, 163696, 262858, 277888, 327392, 525716, 654784, 1051432, 1309568, 1708577, 2102864, 3417154, 4205728, 6834308, 8411456, 13668616, 16822912, 27337232, 54674464, 109348928, 218697856]

約数ペア:

[(1, 218697856), (2, 109348928), (4, 54674464), (8, 27337232), (13, 16822912), (16, 13668616), (26, 8411456), (32, 6834308), (52, 4205728), (64, 3417154), (104, 2102864), (128, 1708577), (167, 1309568), (208, 1051432), (334, 654784), (416, 525716), (668, 327392), (787, 277888), (832, 262858), (1336, 163696), (1574, 138944), (1664, 131429), (2171, 100736), (2672, 81848), (3148, 69472), (4342, 50368), (5344, 40924), (6296, 34736), (8684, 25184), (10231, 21376), (10688, 20462), (12592, 17368)]