257593656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{631357}}^1$

素因数の和:631383

約数の個数: 32

約数和(自身を含む): 681866640

約数和(自身を除く): 424272984

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 631357, 1262714, 1894071, 2525428, 3788142, 5050856, 7576284, 10733069, 15152568, 21466138, 32199207, 42932276, 64398414, 85864552, 128796828, 257593656]

約数ペア:

[(1, 257593656), (2, 128796828), (3, 85864552), (4, 64398414), (6, 42932276), (8, 32199207), (12, 21466138), (17, 15152568), (24, 10733069), (34, 7576284), (51, 5050856), (68, 3788142), (102, 2525428), (136, 1894071), (204, 1262714), (408, 631357)]