259635896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53117}}^1$

素因数の和:53183

約数の個数: 32

約数和(自身を含む): 535429440

約数和(自身を除く): 275793544

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 53117, 106234, 212468, 424936, 690521, 1381042, 2496499, 2762084, 4992998, 5524168, 9985996, 19971992, 32454487, 64908974, 129817948, 259635896]

約数ペア:

[(1, 259635896), (2, 129817948), (4, 64908974), (8, 32454487), (13, 19971992), (26, 9985996), (47, 5524168), (52, 4992998), (94, 2762084), (104, 2496499), (188, 1381042), (376, 690521), (611, 424936), (1222, 212468), (2444, 106234), (4888, 53117)]