1998889696

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{18719}}^1$

素因数の和:18847

約数の個数: 48

約数和(自身を含む): 4075868160

約数和(自身を除く): 2076978464

約数列:

[1, 2, 4, 8, 16, 32, 47, 71, 94, 142, 188, 284, 376, 568, 752, 1136, 1504, 2272, 3337, 6674, 13348, 18719, 26696, 37438, 53392, 74876, 106784, 149752, 299504, 599008, 879793, 1329049, 1759586, 2658098, 3519172, 5316196, 7038344, 10632392, 14076688, 21264784, 28153376, 42529568, 62465303, 124930606, 249861212, 499722424, 999444848, 1998889696]

約数ペア:

[(1, 1998889696), (2, 999444848), (4, 499722424), (8, 249861212), (16, 124930606), (32, 62465303), (47, 42529568), (71, 28153376), (94, 21264784), (142, 14076688), (188, 10632392), (284, 7038344), (376, 5316196), (568, 3519172), (752, 2658098), (1136, 1759586), (1504, 1329049), (2272, 879793), (3337, 599008), (6674, 299504), (13348, 149752), (18719, 106784), (26696, 74876), (37438, 53392)]