25744355

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 13900285

約数列:

[1, 5, 7, 13, 35, 49, 59, 65, 91, 137, 245, 295, 413, 455, 637, 685, 767, 959, 1781, 2065, 2891, 3185, 3835, 4795, 5369, 6713, 8083, 8905, 12467, 14455, 26845, 33565, 37583, 40415, 56581, 62335, 87269, 105079, 187915, 282905, 396067, 436345, 525395, 735553, 1980335, 3677765, 5148871, 25744355]

約数ペア:

[(1, 25744355), (5, 5148871), (7, 3677765), (13, 1980335), (35, 735553), (49, 525395), (59, 436345), (65, 396067), (91, 282905), (137, 187915), (245, 105079), (295, 87269), (413, 62335), (455, 56581), (637, 40415), (685, 37583), (767, 33565), (959, 26845), (1781, 14455), (2065, 12467), (2891, 8905), (3185, 8083), (3835, 6713), (4795, 5369)]