990141778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{1087}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 1599934464

約数和(自身を除く): 609792686

約数列:

[1, 2, 17, 34, 73, 146, 367, 734, 1087, 1241, 2174, 2482, 6239, 12478, 18479, 26791, 36958, 53582, 79351, 158702, 398929, 455447, 797858, 910894, 1348967, 2697934, 6781793, 13563586, 29121817, 58243634, 495070889, 990141778]

約数ペア:

[(1, 990141778), (2, 495070889), (17, 58243634), (34, 29121817), (73, 13563586), (146, 6781793), (367, 2697934), (734, 1348967), (1087, 910894), (1241, 797858), (2174, 455447), (2482, 398929), (6239, 158702), (12478, 79351), (18479, 53582), (26791, 36958)]