256354624

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1023

約数の個数: 56

約数和(自身を含む): 529100288

約数和(自身を除く): 272745664

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 157, 248, 314, 496, 628, 823, 992, 1256, 1646, 1984, 2512, 3292, 4867, 5024, 6584, 9734, 10048, 13168, 19468, 25513, 26336, 38936, 51026, 52672, 77872, 102052, 129211, 155744, 204104, 258422, 311488, 408208, 516844, 816416, 1033688, 1632832, 2067376, 4005541, 4134752, 8011082, 8269504, 16022164, 32044328, 64088656, 128177312, 256354624]

約数ペア:

[(1, 256354624), (2, 128177312), (4, 64088656), (8, 32044328), (16, 16022164), (31, 8269504), (32, 8011082), (62, 4134752), (64, 4005541), (124, 2067376), (157, 1632832), (248, 1033688), (314, 816416), (496, 516844), (628, 408208), (823, 311488), (992, 258422), (1256, 204104), (1646, 155744), (1984, 129211), (2512, 102052), (3292, 77872), (4867, 52672), (5024, 51026), (6584, 38936), (9734, 26336), (10048, 25513), (13168, 19468)]