257518248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43441}}^1$

素因数の和:43482

約数の個数: 64

約数和(自身を含む): 729825600

約数和(自身を除く): 472307352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 43441, 86882, 130323, 173764, 260646, 347528, 521292, 564733, 825379, 1042584, 1129466, 1650758, 1694199, 2258932, 2476137, 3301516, 3388398, 4517864, 4952274, 6603032, 6776796, 9904548, 10729927, 13553592, 19809096, 21459854, 32189781, 42919708, 64379562, 85839416, 128759124, 257518248]

約数ペア:

[(1, 257518248), (2, 128759124), (3, 85839416), (4, 64379562), (6, 42919708), (8, 32189781), (12, 21459854), (13, 19809096), (19, 13553592), (24, 10729927), (26, 9904548), (38, 6776796), (39, 6603032), (52, 4952274), (57, 4517864), (76, 3388398), (78, 3301516), (104, 2476137), (114, 2258932), (152, 1694199), (156, 1650758), (228, 1129466), (247, 1042584), (312, 825379), (456, 564733), (494, 521292), (741, 347528), (988, 260646), (1482, 173764), (1976, 130323), (2964, 86882), (5928, 43441)]