1251684608

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 2551341240

約数和(自身を除く): 1299656632

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 137, 178, 256, 274, 356, 401, 548, 712, 802, 1096, 1424, 1604, 2192, 2848, 3208, 4384, 5696, 6416, 8768, 11392, 12193, 12832, 17536, 22784, 24386, 25664, 35072, 35689, 48772, 51328, 54937, 71378, 97544, 102656, 109874, 142756, 195088, 219748, 285512, 390176, 439496, 571024, 780352, 878992, 1142048, 1560704, 1757984, 2284096, 3121408, 3515968, 4568192, 4889393, 7031936, 9136384, 9778786, 14063872, 19557572, 39115144, 78230288, 156460576, 312921152, 625842304, 1251684608]

約数ペア:

[(1, 1251684608), (2, 625842304), (4, 312921152), (8, 156460576), (16, 78230288), (32, 39115144), (64, 19557572), (89, 14063872), (128, 9778786), (137, 9136384), (178, 7031936), (256, 4889393), (274, 4568192), (356, 3515968), (401, 3121408), (548, 2284096), (712, 1757984), (802, 1560704), (1096, 1142048), (1424, 878992), (1604, 780352), (2192, 571024), (2848, 439496), (3208, 390176), (4384, 285512), (5696, 219748), (6416, 195088), (8768, 142756), (11392, 109874), (12193, 102656), (12832, 97544), (17536, 71378), (22784, 54937), (24386, 51328), (25664, 48772), (35072, 35689)]