1897972657

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 2319482880

約数和(自身を除く): 421510223

約数列:

[1, 7, 29, 43, 103, 203, 301, 721, 1247, 2111, 2987, 4429, 8729, 14777, 20909, 31003, 61219, 90773, 128441, 217433, 428533, 635411, 899087, 1522031, 2632417, 6305557, 9349619, 18426919, 44138899, 65447333, 271138951, 1897972657]

約数ペア:

[(1, 1897972657), (7, 271138951), (29, 65447333), (43, 44138899), (103, 18426919), (203, 9349619), (301, 6305557), (721, 2632417), (1247, 1522031), (2111, 899087), (2987, 635411), (4429, 428533), (8729, 217433), (14777, 128441), (20909, 90773), (31003, 61219)]