17689490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 39903192

約数和(自身を除く): 22213702

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 2777, 3185, 5554, 6370, 13885, 19439, 27770, 36101, 38878, 72202, 97195, 136073, 180505, 194390, 252707, 272146, 361010, 505414, 680365, 1263535, 1360730, 1768949, 2527070, 3537898, 8844745, 17689490]

約数ペア:

[(1, 17689490), (2, 8844745), (5, 3537898), (7, 2527070), (10, 1768949), (13, 1360730), (14, 1263535), (26, 680365), (35, 505414), (49, 361010), (65, 272146), (70, 252707), (91, 194390), (98, 180505), (130, 136073), (182, 97195), (245, 72202), (455, 38878), (490, 36101), (637, 27770), (910, 19439), (1274, 13885), (2777, 6370), (3185, 5554)]