990147172

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{6359}}^1$

素因数の和:6520

約数の個数: 48

約数和(自身を含む): 2034385920

約数和(自身を除く): 1044238748

約数列:

[1, 2, 4, 7, 14, 28, 67, 83, 134, 166, 268, 332, 469, 581, 938, 1162, 1876, 2324, 5561, 6359, 11122, 12718, 22244, 25436, 38927, 44513, 77854, 89026, 155708, 178052, 426053, 527797, 852106, 1055594, 1704212, 2111188, 2982371, 3694579, 5964742, 7389158, 11929484, 14778316, 35362399, 70724798, 141449596, 247536793, 495073586, 990147172]

約数ペア:

[(1, 990147172), (2, 495073586), (4, 247536793), (7, 141449596), (14, 70724798), (28, 35362399), (67, 14778316), (83, 11929484), (134, 7389158), (166, 5964742), (268, 3694579), (332, 2982371), (469, 2111188), (581, 1704212), (938, 1055594), (1162, 852106), (1876, 527797), (2324, 426053), (5561, 178052), (6359, 155708), (11122, 89026), (12718, 77854), (22244, 44513), (25436, 38927)]