1917513215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{17749}}^1$

素因数の和:17843

約数の個数: 32

約数和(自身を含む): 2576448000

約数和(自身を除く): 658934785

約数列:

[1, 5, 17, 31, 41, 85, 155, 205, 527, 697, 1271, 2635, 3485, 6355, 17749, 21607, 88745, 108035, 301733, 550219, 727709, 1508665, 2751095, 3638545, 9353723, 12371053, 22558979, 46768615, 61855265, 112794895, 383502643, 1917513215]

約数ペア:

[(1, 1917513215), (5, 383502643), (17, 112794895), (31, 61855265), (41, 46768615), (85, 22558979), (155, 12371053), (205, 9353723), (527, 3638545), (697, 2751095), (1271, 1508665), (2635, 727709), (3485, 550219), (6355, 301733), (17749, 108035), (21607, 88745)]