211830216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{678943}}^1$

素因数の和:678965

約数の個数: 32

約数和(自身を含む): 570312960

約数和(自身を除く): 358482744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 678943, 1357886, 2036829, 2715772, 4073658, 5431544, 8147316, 8826259, 16294632, 17652518, 26478777, 35305036, 52957554, 70610072, 105915108, 211830216]

約数ペア:

[(1, 211830216), (2, 105915108), (3, 70610072), (4, 52957554), (6, 35305036), (8, 26478777), (12, 17652518), (13, 16294632), (24, 8826259), (26, 8147316), (39, 5431544), (52, 4073658), (78, 2715772), (104, 2036829), (156, 1357886), (312, 678943)]