206778650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18713}}^1$

素因数の和:18755

約数の個数: 48

約数和(自身を含む): 438581304

約数和(自身を除く): 231802654

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 18713, 37426, 93565, 187130, 243269, 318121, 467825, 486538, 636242, 935650, 1216345, 1590605, 2432690, 3181210, 4135573, 6081725, 7953025, 8271146, 12163450, 15906050, 20677865, 41355730, 103389325, 206778650]

約数ペア:

[(1, 206778650), (2, 103389325), (5, 41355730), (10, 20677865), (13, 15906050), (17, 12163450), (25, 8271146), (26, 7953025), (34, 6081725), (50, 4135573), (65, 3181210), (85, 2432690), (130, 1590605), (170, 1216345), (221, 935650), (325, 636242), (425, 486538), (442, 467825), (650, 318121), (850, 243269), (1105, 187130), (2210, 93565), (5525, 37426), (11050, 18713)]