161756804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 327163200

約数和(自身を除く): 165406396

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 181, 209, 362, 418, 724, 836, 1069, 1991, 2138, 3439, 3982, 4276, 6878, 7964, 11759, 13756, 20311, 23518, 37829, 40622, 47036, 75658, 81244, 151316, 193489, 223421, 386978, 446842, 773956, 893684, 2128379, 3676291, 4256758, 7352582, 8513516, 14705164, 40439201, 80878402, 161756804]

約数ペア:

[(1, 161756804), (2, 80878402), (4, 40439201), (11, 14705164), (19, 8513516), (22, 7352582), (38, 4256758), (44, 3676291), (76, 2128379), (181, 893684), (209, 773956), (362, 446842), (418, 386978), (724, 223421), (836, 193489), (1069, 151316), (1991, 81244), (2138, 75658), (3439, 47036), (3982, 40622), (4276, 37829), (6878, 23518), (7964, 20311), (11759, 13756)]