638769616

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:680

約数の個数: 60

約数和(自身を含む): 1304513728

約数和(自身を除く): 665744112

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 163, 184, 326, 368, 463, 529, 652, 926, 1058, 1304, 1852, 2116, 2608, 3704, 3749, 4232, 7408, 7498, 8464, 10649, 14996, 21298, 29992, 42596, 59984, 75469, 85192, 86227, 150938, 170384, 172454, 244927, 301876, 344908, 489854, 603752, 689816, 979708, 1207504, 1379632, 1735787, 1959416, 3471574, 3918832, 6943148, 13886296, 27772592, 39923101, 79846202, 159692404, 319384808, 638769616]

約数ペア:

[(1, 638769616), (2, 319384808), (4, 159692404), (8, 79846202), (16, 39923101), (23, 27772592), (46, 13886296), (92, 6943148), (163, 3918832), (184, 3471574), (326, 1959416), (368, 1735787), (463, 1379632), (529, 1207504), (652, 979708), (926, 689816), (1058, 603752), (1304, 489854), (1852, 344908), (2116, 301876), (2608, 244927), (3704, 172454), (3749, 170384), (4232, 150938), (7408, 86227), (7498, 85192), (8464, 75469), (10649, 59984), (14996, 42596), (21298, 29992)]