1971293555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1801}}^1\times {\mathrm{2843}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 2951935488

約数和(自身を除く): 980641933

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1801, 2843, 9005, 12607, 14215, 19811, 19901, 31273, 63035, 99055, 99505, 138677, 156365, 218911, 693385, 1094555, 5120243, 25601215, 35841701, 56322673, 179208505, 281613365, 394258711, 1971293555]

約数ペア:

[(1, 1971293555), (5, 394258711), (7, 281613365), (11, 179208505), (35, 56322673), (55, 35841701), (77, 25601215), (385, 5120243), (1801, 1094555), (2843, 693385), (9005, 218911), (12607, 156365), (14215, 138677), (19811, 99505), (19901, 99055), (31273, 63035)]