64194340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458531}}^1$

素因数の和:458547

約数の個数: 24

約数和(自身を含む): 154066752

約数和(自身を除く): 89872412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458531, 917062, 1834124, 2292655, 3209717, 4585310, 6419434, 9170620, 12838868, 16048585, 32097170, 64194340]

約数ペア:

[(1, 64194340), (2, 32097170), (4, 16048585), (5, 12838868), (7, 9170620), (10, 6419434), (14, 4585310), (20, 3209717), (28, 2292655), (35, 1834124), (70, 917062), (140, 458531)]