55558888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 141004800

約数和(自身を除く): 85445912

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 47, 56, 76, 77, 88, 94, 101, 133, 152, 154, 188, 202, 209, 266, 308, 329, 376, 404, 418, 517, 532, 616, 658, 707, 808, 836, 893, 1034, 1064, 1111, 1316, 1414, 1463, 1672, 1786, 1919, 2068, 2222, 2632, 2828, 2926, 3572, 3619, 3838, 4136, 4444, 4747, 5656, 5852, 6251, 7144, 7238, 7676, 7777, 8888, 9494, 9823, 11704, 12502, 13433, 14476, 15352, 15554, 18988, 19646, 21109, 25004, 26866, 28952, 31108, 33229, 37976, 39292, 42218, 50008, 52217, 53732, 62216, 66458, 68761, 78584, 84436, 90193, 104434, 107464, 132916, 137522, 147763, 168872, 180386, 208868, 265832, 275044, 295526, 360772, 365519, 417736, 550088, 591052, 631351, 721544, 731038, 992123, 1182104, 1262702, 1462076, 1984246, 2525404, 2924152, 3968492, 5050808, 6944861, 7936984, 13889722, 27779444, 55558888]

約数ペア:

[(1, 55558888), (2, 27779444), (4, 13889722), (7, 7936984), (8, 6944861), (11, 5050808), (14, 3968492), (19, 2924152), (22, 2525404), (28, 1984246), (38, 1462076), (44, 1262702), (47, 1182104), (56, 992123), (76, 731038), (77, 721544), (88, 631351), (94, 591052), (101, 550088), (133, 417736), (152, 365519), (154, 360772), (188, 295526), (202, 275044), (209, 265832), (266, 208868), (308, 180386), (329, 168872), (376, 147763), (404, 137522), (418, 132916), (517, 107464), (532, 104434), (616, 90193), (658, 84436), (707, 78584), (808, 68761), (836, 66458), (893, 62216), (1034, 53732), (1064, 52217), (1111, 50008), (1316, 42218), (1414, 39292), (1463, 37976), (1672, 33229), (1786, 31108), (1919, 28952), (2068, 26866), (2222, 25004), (2632, 21109), (2828, 19646), (2926, 18988), (3572, 15554), (3619, 15352), (3838, 14476), (4136, 13433), (4444, 12502), (4747, 11704), (5656, 9823), (5852, 9494), (6251, 8888), (7144, 7777), (7238, 7676)]