211223375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6679}}^1$

素因数の和:6728

約数の個数: 32

約数和(自身を含む): 300119040

約数和(自身を除く): 88895665

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 1265, 1375, 2875, 6325, 6679, 31625, 33395, 73469, 153617, 166975, 367345, 768085, 834875, 1689787, 1836725, 3840425, 8448935, 9183625, 19202125, 42244675, 211223375]

約数ペア:

[(1, 211223375), (5, 42244675), (11, 19202125), (23, 9183625), (25, 8448935), (55, 3840425), (115, 1836725), (125, 1689787), (253, 834875), (275, 768085), (575, 367345), (1265, 166975), (1375, 153617), (2875, 73469), (6325, 33395), (6679, 31625)]