9978254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 17781120

約数和(自身を除く): 7802866

約数列:

[1, 2, 11, 13, 22, 26, 139, 143, 251, 278, 286, 502, 1529, 1807, 2761, 3058, 3263, 3614, 5522, 6526, 19877, 34889, 35893, 39754, 69778, 71786, 383779, 453557, 767558, 907114, 4989127, 9978254]

約数ペア:

[(1, 9978254), (2, 4989127), (11, 907114), (13, 767558), (22, 453557), (26, 383779), (139, 71786), (143, 69778), (251, 39754), (278, 35893), (286, 34889), (502, 19877), (1529, 6526), (1807, 5522), (2761, 3614), (3058, 3263)]