25282816

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 55629504

約数和(自身を除く): 30346688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 107, 128, 142, 208, 214, 256, 284, 416, 428, 568, 832, 856, 923, 1136, 1391, 1664, 1712, 1846, 2272, 2782, 3328, 3424, 3692, 4544, 5564, 6848, 7384, 7597, 9088, 11128, 13696, 14768, 15194, 18176, 22256, 27392, 29536, 30388, 44512, 59072, 60776, 89024, 98761, 118144, 121552, 178048, 197522, 236288, 243104, 356096, 395044, 486208, 790088, 972416, 1580176, 1944832, 3160352, 6320704, 12641408, 25282816]

約数ペア:

[(1, 25282816), (2, 12641408), (4, 6320704), (8, 3160352), (13, 1944832), (16, 1580176), (26, 972416), (32, 790088), (52, 486208), (64, 395044), (71, 356096), (104, 243104), (107, 236288), (128, 197522), (142, 178048), (208, 121552), (214, 118144), (256, 98761), (284, 89024), (416, 60776), (428, 59072), (568, 44512), (832, 30388), (856, 29536), (923, 27392), (1136, 22256), (1391, 18176), (1664, 15194), (1712, 14768), (1846, 13696), (2272, 11128), (2782, 9088), (3328, 7597), (3424, 7384), (3692, 6848), (4544, 5564)]