25727975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 40330752

約数和(自身を除く): 14602777

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 263, 301, 325, 455, 559, 1075, 1315, 1505, 1841, 2275, 2795, 3419, 3913, 6575, 7525, 9205, 11309, 13975, 17095, 19565, 23933, 46025, 56545, 79163, 85475, 97825, 119665, 147017, 282725, 395815, 598325, 735085, 1029119, 1979075, 3675425, 5145595, 25727975]

約数ペア:

[(1, 25727975), (5, 5145595), (7, 3675425), (13, 1979075), (25, 1029119), (35, 735085), (43, 598325), (65, 395815), (91, 282725), (175, 147017), (215, 119665), (263, 97825), (301, 85475), (325, 79163), (455, 56545), (559, 46025), (1075, 23933), (1315, 19565), (1505, 17095), (1841, 13975), (2275, 11309), (2795, 9205), (3419, 7525), (3913, 6575)]