217603984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{22259}}^1$

素因数の和:22327

約数の個数: 40

約数和(自身を含む): 463720320

約数和(自身を除く): 246116336

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 22259, 44518, 89036, 178072, 289367, 356144, 578734, 1046173, 1157468, 2092346, 2314936, 4184692, 4629872, 8369384, 13600249, 16738768, 27200498, 54400996, 108801992, 217603984]

約数ペア:

[(1, 217603984), (2, 108801992), (4, 54400996), (8, 27200498), (13, 16738768), (16, 13600249), (26, 8369384), (47, 4629872), (52, 4184692), (94, 2314936), (104, 2092346), (188, 1157468), (208, 1046173), (376, 578734), (611, 356144), (752, 289367), (1222, 178072), (2444, 89036), (4888, 44518), (9776, 22259)]