66945616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:2011

約数の個数: 40

約数和(自身を含む): 135848448

約数和(自身を除く): 68902832

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 1901, 2201, 3802, 4402, 7604, 8804, 15208, 17608, 30416, 35216, 58931, 117862, 134971, 235724, 269942, 471448, 539884, 942896, 1079768, 2159536, 4184101, 8368202, 16736404, 33472808, 66945616]

約数ペア:

[(1, 66945616), (2, 33472808), (4, 16736404), (8, 8368202), (16, 4184101), (31, 2159536), (62, 1079768), (71, 942896), (124, 539884), (142, 471448), (248, 269942), (284, 235724), (496, 134971), (568, 117862), (1136, 58931), (1901, 35216), (2201, 30416), (3802, 17608), (4402, 15208), (7604, 8804)]