2108439425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 2786488320

約数和(自身を除く): 678048895

約数列:

[1, 5, 25, 31, 43, 151, 155, 215, 419, 755, 775, 1075, 1333, 2095, 3775, 4681, 6493, 6665, 10475, 12989, 18017, 23405, 32465, 33325, 63269, 64945, 90085, 117025, 162325, 201283, 316345, 324725, 450425, 558527, 1006415, 1581725, 1961339, 2720567, 2792635, 5032075, 9806695, 13602835, 13963175, 49033475, 68014175, 84337577, 421687885, 2108439425]

約数ペア:

[(1, 2108439425), (5, 421687885), (25, 84337577), (31, 68014175), (43, 49033475), (151, 13963175), (155, 13602835), (215, 9806695), (419, 5032075), (755, 2792635), (775, 2720567), (1075, 1961339), (1333, 1581725), (2095, 1006415), (3775, 558527), (4681, 450425), (6493, 324725), (6665, 316345), (10475, 201283), (12989, 162325), (18017, 117025), (23405, 90085), (32465, 64945), (33325, 63269)]