81510784

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 175815360

約数和(自身を除く): 94304576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 272, 376, 544, 752, 797, 799, 1088, 1504, 1594, 1598, 2176, 3008, 3188, 3196, 6016, 6376, 6392, 12752, 12784, 13549, 25504, 25568, 27098, 37459, 51008, 51136, 54196, 74918, 102016, 102272, 108392, 149836, 216784, 299672, 433568, 599344, 636803, 867136, 1198688, 1273606, 1734272, 2397376, 2547212, 4794752, 5094424, 10188848, 20377696, 40755392, 81510784]

約数ペア:

[(1, 81510784), (2, 40755392), (4, 20377696), (8, 10188848), (16, 5094424), (17, 4794752), (32, 2547212), (34, 2397376), (47, 1734272), (64, 1273606), (68, 1198688), (94, 867136), (128, 636803), (136, 599344), (188, 433568), (272, 299672), (376, 216784), (544, 149836), (752, 108392), (797, 102272), (799, 102016), (1088, 74918), (1504, 54196), (1594, 51136), (1598, 51008), (2176, 37459), (3008, 27098), (3188, 25568), (3196, 25504), (6016, 13549), (6376, 12784), (6392, 12752)]