68641784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 141717600

約数和(自身を除く): 73075816

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 89, 106, 107, 136, 178, 212, 214, 356, 424, 428, 712, 856, 901, 1513, 1802, 1819, 3026, 3604, 3638, 4717, 5671, 6052, 7208, 7276, 9434, 9523, 11342, 12104, 14552, 18868, 19046, 22684, 37736, 38092, 45368, 76184, 80189, 96407, 160378, 161891, 192814, 320756, 323782, 385628, 504719, 641512, 647564, 771256, 1009438, 1295128, 2018876, 4037752, 8580223, 17160446, 34320892, 68641784]

約数ペア:

[(1, 68641784), (2, 34320892), (4, 17160446), (8, 8580223), (17, 4037752), (34, 2018876), (53, 1295128), (68, 1009438), (89, 771256), (106, 647564), (107, 641512), (136, 504719), (178, 385628), (212, 323782), (214, 320756), (356, 192814), (424, 161891), (428, 160378), (712, 96407), (856, 80189), (901, 76184), (1513, 45368), (1802, 38092), (1819, 37736), (3026, 22684), (3604, 19046), (3638, 18868), (4717, 14552), (5671, 12104), (6052, 11342), (7208, 9523), (7276, 9434)]