257664966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 605122560

約数和(自身を除く): 347457594

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 127, 222, 247, 254, 381, 481, 494, 703, 741, 762, 962, 1369, 1406, 1443, 1482, 1651, 2109, 2413, 2738, 2886, 3302, 4107, 4218, 4699, 4826, 4953, 7239, 8214, 9139, 9398, 9906, 14097, 14478, 17797, 18278, 26011, 27417, 28194, 31369, 35594, 52022, 53391, 54834, 61087, 62738, 78033, 89281, 94107, 106782, 122174, 156066, 173863, 178562, 183261, 188214, 267843, 338143, 347726, 366522, 521589, 535686, 676286, 1014429, 1043178, 1160653, 2028858, 2260219, 2321306, 3303397, 3481959, 4520438, 6606794, 6780657, 6963918, 9910191, 13561314, 19820382, 42944161, 85888322, 128832483, 257664966]

約数ペア:

[(1, 257664966), (2, 128832483), (3, 85888322), (6, 42944161), (13, 19820382), (19, 13561314), (26, 9910191), (37, 6963918), (38, 6780657), (39, 6606794), (57, 4520438), (74, 3481959), (78, 3303397), (111, 2321306), (114, 2260219), (127, 2028858), (222, 1160653), (247, 1043178), (254, 1014429), (381, 676286), (481, 535686), (494, 521589), (703, 366522), (741, 347726), (762, 338143), (962, 267843), (1369, 188214), (1406, 183261), (1443, 178562), (1482, 173863), (1651, 156066), (2109, 122174), (2413, 106782), (2738, 94107), (2886, 89281), (3302, 78033), (4107, 62738), (4218, 61087), (4699, 54834), (4826, 53391), (4953, 52022), (7239, 35594), (8214, 31369), (9139, 28194), (9398, 27417), (9906, 26011), (14097, 18278), (14478, 17797)]