51289536208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{658639}}^1$

素因数の和:658835

約数の個数: 40

約数和(自身を含む): 103232599040

約数和(自身を除く): 51943062832

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 4867, 9734, 19468, 38936, 77872, 658639, 1317278, 2634556, 5269112, 10538224, 20417809, 40835618, 81671236, 103406323, 163342472, 206812646, 326684944, 413625292, 827250584, 1654501168, 3205596013, 6411192026, 12822384052, 25644768104, 51289536208]

約数ペア:

[(1, 51289536208), (2, 25644768104), (4, 12822384052), (8, 6411192026), (16, 3205596013), (31, 1654501168), (62, 827250584), (124, 413625292), (157, 326684944), (248, 206812646), (314, 163342472), (496, 103406323), (628, 81671236), (1256, 40835618), (2512, 20417809), (4867, 10538224), (9734, 5269112), (19468, 2634556), (38936, 1317278), (77872, 658639)]