1287761728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 2866387968

約数和(自身を除く): 1578626240

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 157, 176, 191, 244, 314, 352, 382, 488, 628, 671, 704, 764, 976, 1256, 1342, 1528, 1727, 1952, 2101, 2512, 2684, 3056, 3454, 3904, 4202, 5024, 5368, 6112, 6908, 8404, 9577, 10048, 10736, 11651, 12224, 13816, 16808, 19154, 21472, 23302, 27632, 29987, 33616, 38308, 42944, 46604, 55264, 59974, 67232, 76616, 93208, 105347, 110528, 119948, 128161, 134464, 153232, 186416, 210694, 239896, 256322, 306464, 329857, 372832, 421388, 479792, 512644, 612928, 659714, 745664, 842776, 959584, 1025288, 1319428, 1685552, 1829207, 1919168, 2050576, 2638856, 3371104, 3658414, 4101152, 5277712, 6742208, 7316828, 8202304, 10555424, 14633656, 20121277, 21110848, 29267312, 40242554, 58534624, 80485108, 117069248, 160970216, 321940432, 643880864, 1287761728]

約数ペア:

[(1, 1287761728), (2, 643880864), (4, 321940432), (8, 160970216), (11, 117069248), (16, 80485108), (22, 58534624), (32, 40242554), (44, 29267312), (61, 21110848), (64, 20121277), (88, 14633656), (122, 10555424), (157, 8202304), (176, 7316828), (191, 6742208), (244, 5277712), (314, 4101152), (352, 3658414), (382, 3371104), (488, 2638856), (628, 2050576), (671, 1919168), (704, 1829207), (764, 1685552), (976, 1319428), (1256, 1025288), (1342, 959584), (1528, 842776), (1727, 745664), (1952, 659714), (2101, 612928), (2512, 512644), (2684, 479792), (3056, 421388), (3454, 372832), (3904, 329857), (4202, 306464), (5024, 256322), (5368, 239896), (6112, 210694), (6908, 186416), (8404, 153232), (9577, 134464), (10048, 128161), (10736, 119948), (11651, 110528), (12224, 105347), (13816, 93208), (16808, 76616), (19154, 67232), (21472, 59974), (23302, 55264), (27632, 46604), (29987, 42944), (33616, 38308)]