25741048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 28978952

約数列:

[1, 2, 4, 8, 19, 23, 37, 38, 46, 74, 76, 92, 148, 152, 184, 199, 296, 398, 437, 703, 796, 851, 874, 1406, 1592, 1702, 1748, 2812, 3404, 3496, 3781, 4577, 5624, 6808, 7363, 7562, 9154, 14726, 15124, 16169, 18308, 29452, 30248, 32338, 36616, 58904, 64676, 86963, 129352, 139897, 169349, 173926, 279794, 338698, 347852, 559588, 677396, 695704, 1119176, 1354792, 3217631, 6435262, 12870524, 25741048]

約数ペア:

[(1, 25741048), (2, 12870524), (4, 6435262), (8, 3217631), (19, 1354792), (23, 1119176), (37, 695704), (38, 677396), (46, 559588), (74, 347852), (76, 338698), (92, 279794), (148, 173926), (152, 169349), (184, 139897), (199, 129352), (296, 86963), (398, 64676), (437, 58904), (703, 36616), (796, 32338), (851, 30248), (874, 29452), (1406, 18308), (1592, 16169), (1702, 15124), (1748, 14726), (2812, 9154), (3404, 7562), (3496, 7363), (3781, 6808), (4577, 5624)]