161855372

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{140989}}^1$

素因数の和:141041

約数の個数: 24

約数和(自身を含む): 331608480

約数和(自身を除く): 169753108

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 140989, 281978, 563956, 986923, 1973846, 3947692, 5780549, 11561098, 23122196, 40463843, 80927686, 161855372]

約数ペア:

[(1, 161855372), (2, 80927686), (4, 40463843), (7, 23122196), (14, 11561098), (28, 5780549), (41, 3947692), (82, 1973846), (164, 986923), (287, 563956), (574, 281978), (1148, 140989)]