1999995712

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{218531}}^1$

素因数の和:218567

約数の個数: 56

約数和(自身を含む): 4662598752

約数和(自身を除く): 2662603040

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 4576, 9152, 218531, 437062, 874124, 1748248, 2403841, 2840903, 3496496, 4807682, 5681806, 6992992, 9615364, 11363612, 13985984, 19230728, 22727224, 31249933, 38461456, 45454448, 62499866, 76922912, 90908896, 124999732, 153845824, 181817792, 249999464, 499998928, 999997856, 1999995712]

約数ペア:

[(1, 1999995712), (2, 999997856), (4, 499998928), (8, 249999464), (11, 181817792), (13, 153845824), (16, 124999732), (22, 90908896), (26, 76922912), (32, 62499866), (44, 45454448), (52, 38461456), (64, 31249933), (88, 22727224), (104, 19230728), (143, 13985984), (176, 11363612), (208, 9615364), (286, 6992992), (352, 5681806), (416, 4807682), (572, 3496496), (704, 2840903), (832, 2403841), (1144, 1748248), (2288, 874124), (4576, 437062), (9152, 218531)]