31739195

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 10838725

約数列:

[1, 5, 23, 29, 31, 115, 145, 155, 307, 667, 713, 899, 1535, 3335, 3565, 4495, 7061, 8903, 9517, 20677, 35305, 44515, 47585, 103385, 204769, 218891, 275993, 1023845, 1094455, 1379965, 6347839, 31739195]

約数ペア:

[(1, 31739195), (5, 6347839), (23, 1379965), (29, 1094455), (31, 1023845), (115, 275993), (145, 218891), (155, 204769), (307, 103385), (667, 47585), (713, 44515), (899, 35305), (1535, 20677), (3335, 9517), (3565, 8903), (4495, 7061)]