205961830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15451}}^1$

素因数の和:15532

約数の個数: 32

約数和(自身を含む): 391615488

約数和(自身を除く): 185653658

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 15451, 30902, 77255, 154510, 478981, 664393, 957962, 1328786, 2394905, 3321965, 4789810, 6643930, 20596183, 41192366, 102980915, 205961830]

約数ペア:

[(1, 205961830), (2, 102980915), (5, 41192366), (10, 20596183), (31, 6643930), (43, 4789810), (62, 3321965), (86, 2394905), (155, 1328786), (215, 957962), (310, 664393), (430, 478981), (1333, 154510), (2666, 77255), (6665, 30902), (13330, 15451)]