1971040235

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 2480144832

約数和(自身を除く): 509104597

約数列:

[1, 5, 43, 61, 137, 215, 305, 685, 1097, 2623, 5485, 5891, 8357, 13115, 29455, 41785, 47171, 66917, 150289, 235855, 334585, 359351, 751445, 1796755, 2877431, 6462427, 9167629, 14387155, 32312135, 45838145, 394208047, 1971040235]

約数ペア:

[(1, 1971040235), (5, 394208047), (43, 45838145), (61, 32312135), (137, 14387155), (215, 9167629), (305, 6462427), (685, 2877431), (1097, 1796755), (2623, 751445), (5485, 359351), (5891, 334585), (8357, 235855), (13115, 150289), (29455, 66917), (41785, 47171)]