31960225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 46854144

約数和(自身を除く): 14893919

約数列:

[1, 5, 11, 23, 25, 31, 55, 115, 155, 163, 253, 275, 341, 575, 713, 775, 815, 1265, 1705, 1793, 3565, 3749, 4075, 5053, 6325, 7843, 8525, 8965, 17825, 18745, 25265, 39215, 41239, 44825, 55583, 93725, 116219, 126325, 196075, 206195, 277915, 581095, 1030975, 1278409, 1389575, 2905475, 6392045, 31960225]

約数ペア:

[(1, 31960225), (5, 6392045), (11, 2905475), (23, 1389575), (25, 1278409), (31, 1030975), (55, 581095), (115, 277915), (155, 206195), (163, 196075), (253, 126325), (275, 116219), (341, 93725), (575, 55583), (713, 44825), (775, 41239), (815, 39215), (1265, 25265), (1705, 18745), (1793, 17825), (3565, 8965), (3749, 8525), (4075, 7843), (5053, 6325)]