390746938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 633961728

約数和(自身を除く): 243214790

約数列:

[1, 2, 17, 34, 71, 142, 157, 314, 1031, 1207, 2062, 2414, 2669, 5338, 11147, 17527, 22294, 35054, 73201, 146402, 161867, 189499, 323734, 378998, 1244417, 2488834, 2751739, 5503478, 11492557, 22985114, 195373469, 390746938]

約数ペア:

[(1, 390746938), (2, 195373469), (17, 22985114), (34, 11492557), (71, 5503478), (142, 2751739), (157, 2488834), (314, 1244417), (1031, 378998), (1207, 323734), (2062, 189499), (2414, 161867), (2669, 146402), (5338, 73201), (11147, 35054), (17527, 22294)]