40139918

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 40

約数和(自身を含む): 75761448

約数和(自身を除く): 35621530

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 643, 686, 1274, 1286, 2401, 4459, 4501, 4802, 8359, 8918, 9002, 16718, 31213, 31507, 58513, 62426, 63014, 117026, 220549, 409591, 441098, 819182, 1543843, 2867137, 3087686, 5734274, 20069959, 40139918]

約数ペア:

[(1, 40139918), (2, 20069959), (7, 5734274), (13, 3087686), (14, 2867137), (26, 1543843), (49, 819182), (91, 441098), (98, 409591), (182, 220549), (343, 117026), (637, 63014), (643, 62426), (686, 58513), (1274, 31507), (1286, 31213), (2401, 16718), (4459, 9002), (4501, 8918), (4802, 8359)]