666962785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 877498272

約数和(自身を除く): 210535487

約数列:

[1, 5, 17, 41, 85, 97, 205, 485, 697, 1649, 1973, 3485, 3977, 8245, 9865, 19885, 33541, 67609, 80893, 167705, 191381, 338045, 404465, 956905, 1375181, 3253477, 6875905, 7846621, 16267385, 39233105, 133392557, 666962785]

約数ペア:

[(1, 666962785), (5, 133392557), (17, 39233105), (41, 16267385), (85, 7846621), (97, 6875905), (205, 3253477), (485, 1375181), (697, 956905), (1649, 404465), (1973, 338045), (3485, 191381), (3977, 167705), (8245, 80893), (9865, 67609), (19885, 33541)]