81428712

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 211273920

約数和(自身を除く): 129845208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 107, 111, 148, 214, 222, 296, 321, 428, 444, 642, 856, 857, 888, 1284, 1714, 2568, 2571, 3428, 3959, 5142, 6856, 7918, 10284, 11877, 15836, 20568, 23754, 31672, 31709, 47508, 63418, 91699, 95016, 95127, 126836, 183398, 190254, 253672, 275097, 366796, 380508, 550194, 733592, 761016, 1100388, 2200776, 3392863, 6785726, 10178589, 13571452, 20357178, 27142904, 40714356, 81428712]

約数ペア:

[(1, 81428712), (2, 40714356), (3, 27142904), (4, 20357178), (6, 13571452), (8, 10178589), (12, 6785726), (24, 3392863), (37, 2200776), (74, 1100388), (107, 761016), (111, 733592), (148, 550194), (214, 380508), (222, 366796), (296, 275097), (321, 253672), (428, 190254), (444, 183398), (642, 126836), (856, 95127), (857, 95016), (888, 91699), (1284, 63418), (1714, 47508), (2568, 31709), (2571, 31672), (3428, 23754), (3959, 20568), (5142, 15836), (6856, 11877), (7918, 10284)]