289666945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 377247744

約数和(自身を除く): 87580799

約数列:

[1, 5, 23, 31, 115, 155, 193, 421, 713, 965, 2105, 3565, 4439, 5983, 9683, 13051, 22195, 29915, 48415, 65255, 81253, 137609, 300173, 406265, 688045, 1500865, 1868819, 2518843, 9344095, 12594215, 57933389, 289666945]

約数ペア:

[(1, 289666945), (5, 57933389), (23, 12594215), (31, 9344095), (115, 2518843), (155, 1868819), (193, 1500865), (421, 688045), (713, 406265), (965, 300173), (2105, 137609), (3565, 81253), (4439, 65255), (5983, 48415), (9683, 29915), (13051, 22195)]