128280215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1291}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 187536384

約数和(自身を除く): 59256169

約数列:

[1, 5, 7, 17, 35, 85, 119, 167, 595, 835, 1169, 1291, 2839, 5845, 6455, 9037, 14195, 19873, 21947, 45185, 99365, 109735, 153629, 215597, 768145, 1077985, 1509179, 3665149, 7545895, 18325745, 25656043, 128280215]

約数ペア:

[(1, 128280215), (5, 25656043), (7, 18325745), (17, 7545895), (35, 3665149), (85, 1509179), (119, 1077985), (167, 768145), (595, 215597), (835, 153629), (1169, 109735), (1291, 99365), (2839, 45185), (5845, 21947), (6455, 19873), (9037, 14195)]