387194704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{43291}}^1$

素因数の和:43355

約数の個数: 40

約数和(自身を含む): 826704032

約数和(自身を除く): 439509328

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 43291, 86582, 173164, 346328, 562783, 692656, 1125566, 1861513, 2251132, 3723026, 4502264, 7446052, 9004528, 14892104, 24199669, 29784208, 48399338, 96798676, 193597352, 387194704]

約数ペア:

[(1, 387194704), (2, 193597352), (4, 96798676), (8, 48399338), (13, 29784208), (16, 24199669), (26, 14892104), (43, 9004528), (52, 7446052), (86, 4502264), (104, 3723026), (172, 2251132), (208, 1861513), (344, 1125566), (559, 692656), (688, 562783), (1118, 346328), (2236, 173164), (4472, 86582), (8944, 43291)]