161250258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 359073792

約数和(自身を除く): 197823534

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 131, 258, 262, 367, 393, 559, 734, 786, 1101, 1118, 1677, 1703, 2202, 3354, 3406, 4771, 5109, 5633, 9542, 10218, 11266, 14313, 15781, 16899, 28626, 31562, 33798, 47343, 48077, 73229, 94686, 96154, 144231, 146458, 205153, 219687, 288462, 410306, 439374, 615459, 625001, 1230918, 1250002, 1875003, 2067311, 3750006, 4134622, 6201933, 12403866, 26875043, 53750086, 80625129, 161250258]

約数ペア:

[(1, 161250258), (2, 80625129), (3, 53750086), (6, 26875043), (13, 12403866), (26, 6201933), (39, 4134622), (43, 3750006), (78, 2067311), (86, 1875003), (129, 1250002), (131, 1230918), (258, 625001), (262, 615459), (367, 439374), (393, 410306), (559, 288462), (734, 219687), (786, 205153), (1101, 146458), (1118, 144231), (1677, 96154), (1703, 94686), (2202, 73229), (3354, 48077), (3406, 47343), (4771, 33798), (5109, 31562), (5633, 28626), (9542, 16899), (10218, 15781), (11266, 14313)]