81569584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1499}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 167400000

約数和(自身を除く): 85830416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 179, 304, 358, 716, 1432, 1499, 2864, 2998, 3401, 5996, 6802, 11992, 13604, 23984, 27208, 28481, 54416, 56962, 113924, 227848, 268321, 455696, 536642, 1073284, 2146568, 4293136, 5098099, 10196198, 20392396, 40784792, 81569584]

約数ペア:

[(1, 81569584), (2, 40784792), (4, 20392396), (8, 10196198), (16, 5098099), (19, 4293136), (38, 2146568), (76, 1073284), (152, 536642), (179, 455696), (304, 268321), (358, 227848), (716, 113924), (1432, 56962), (1499, 54416), (2864, 28481), (2998, 27208), (3401, 23984), (5996, 13604), (6802, 11992)]