71875856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 157989888

約数和(自身を除く): 86114032

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 157, 208, 248, 284, 314, 403, 496, 568, 628, 806, 923, 1136, 1256, 1612, 1846, 2041, 2201, 2512, 3224, 3692, 4082, 4402, 4867, 6448, 7384, 8164, 8804, 9734, 11147, 14768, 16328, 17608, 19468, 22294, 28613, 32656, 35216, 38936, 44588, 57226, 63271, 77872, 89176, 114452, 126542, 144911, 178352, 228904, 253084, 289822, 345557, 457808, 506168, 579644, 691114, 1012336, 1159288, 1382228, 2318576, 2764456, 4492241, 5528912, 8984482, 17968964, 35937928, 71875856]

約数ペア:

[(1, 71875856), (2, 35937928), (4, 17968964), (8, 8984482), (13, 5528912), (16, 4492241), (26, 2764456), (31, 2318576), (52, 1382228), (62, 1159288), (71, 1012336), (104, 691114), (124, 579644), (142, 506168), (157, 457808), (208, 345557), (248, 289822), (284, 253084), (314, 228904), (403, 178352), (496, 144911), (568, 126542), (628, 114452), (806, 89176), (923, 77872), (1136, 63271), (1256, 57226), (1612, 44588), (1846, 38936), (2041, 35216), (2201, 32656), (2512, 28613), (3224, 22294), (3692, 19468), (4082, 17608), (4402, 16328), (4867, 14768), (6448, 11147), (7384, 9734), (8164, 8804)]