261834928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{7879}}^1$

素因数の和:7985

約数の個数: 40

約数和(自身を含む): 531553280

約数和(自身を除く): 269718352

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 4154, 7879, 8308, 15758, 16616, 31516, 33232, 63032, 126064, 244249, 488498, 527893, 976996, 1055786, 1953992, 2111572, 3907984, 4223144, 8446288, 16364683, 32729366, 65458732, 130917464, 261834928]

約数ペア:

[(1, 261834928), (2, 130917464), (4, 65458732), (8, 32729366), (16, 16364683), (31, 8446288), (62, 4223144), (67, 3907984), (124, 2111572), (134, 1953992), (248, 1055786), (268, 976996), (496, 527893), (536, 488498), (1072, 244249), (2077, 126064), (4154, 63032), (7879, 33232), (8308, 31516), (15758, 16616)]