2666565590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{336263}}^1$

素因数の和:336344

約数の個数: 32

約数和(自身を含む): 5253788736

約数和(自身を除く): 2587223146

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 336263, 672526, 1681315, 3362630, 4371419, 8742838, 20512043, 21857095, 41024086, 43714190, 102560215, 205120430, 266656559, 533313118, 1333282795, 2666565590]

約数ペア:

[(1, 2666565590), (2, 1333282795), (5, 533313118), (10, 266656559), (13, 205120430), (26, 102560215), (61, 43714190), (65, 41024086), (122, 21857095), (130, 20512043), (305, 8742838), (610, 4371419), (793, 3362630), (1586, 1681315), (3965, 672526), (7930, 336263)]