201397138

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{4513}}^1$

素因数の和:4989

約数の個数: 16

約数和(自身を含む): 308595096

約数和(自身を除く): 107197958

約数列:

[1, 2, 53, 106, 421, 842, 4513, 9026, 22313, 44626, 239189, 478378, 1899973, 3799946, 100698569, 201397138]

約数ペア:

[(1, 201397138), (2, 100698569), (53, 3799946), (106, 1899973), (421, 478378), (842, 239189), (4513, 44626), (9026, 22313)]