201977375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 265254912

約数和(自身を除く): 63277537

約数列:

[1, 5, 23, 25, 115, 125, 163, 431, 575, 815, 2155, 2875, 3749, 4075, 9913, 10775, 18745, 20375, 49565, 53875, 70253, 93725, 247825, 351265, 468625, 1239125, 1615819, 1756325, 8079095, 8781625, 40395475, 201977375]

約数ペア:

[(1, 201977375), (5, 40395475), (23, 8781625), (25, 8079095), (115, 1756325), (125, 1615819), (163, 1239125), (431, 468625), (575, 351265), (815, 247825), (2155, 93725), (2875, 70253), (3749, 53875), (4075, 49565), (9913, 20375), (10775, 18745)]