258697984

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 532421120

約数和(自身を除く): 273723136

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 109, 127, 128, 146, 218, 254, 256, 292, 436, 508, 584, 872, 1016, 1168, 1744, 2032, 2336, 3488, 4064, 4672, 6976, 7957, 8128, 9271, 9344, 13843, 13952, 15914, 16256, 18542, 18688, 27686, 27904, 31828, 32512, 37084, 55372, 63656, 74168, 110744, 127312, 148336, 221488, 254624, 296672, 442976, 509248, 593344, 885952, 1010539, 1018496, 1186688, 1771904, 2021078, 2036992, 2373376, 3543808, 4042156, 8084312, 16168624, 32337248, 64674496, 129348992, 258697984]

約数ペア:

[(1, 258697984), (2, 129348992), (4, 64674496), (8, 32337248), (16, 16168624), (32, 8084312), (64, 4042156), (73, 3543808), (109, 2373376), (127, 2036992), (128, 2021078), (146, 1771904), (218, 1186688), (254, 1018496), (256, 1010539), (292, 885952), (436, 593344), (508, 509248), (584, 442976), (872, 296672), (1016, 254624), (1168, 221488), (1744, 148336), (2032, 127312), (2336, 110744), (3488, 74168), (4064, 63656), (4672, 55372), (6976, 37084), (7957, 32512), (8128, 31828), (9271, 27904), (9344, 27686), (13843, 18688), (13952, 18542), (15914, 16256)]