203739568

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{78121}}^1$

素因数の和:78292

約数の個数: 20

約数和(自身を含む): 397172248

約数和(自身を除く): 193432680

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 78121, 156242, 312484, 624968, 1249936, 12733723, 25467446, 50934892, 101869784, 203739568]

約数ペア:

[(1, 203739568), (2, 101869784), (4, 50934892), (8, 25467446), (16, 12733723), (163, 1249936), (326, 624968), (652, 312484), (1304, 156242), (2608, 78121)]