1278726910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{7699}}^1$

素因数の和:8700

約数の個数: 32

約数和(自身を含む): 2439914400

約数和(自身を除く): 1161187490

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 977, 1954, 4885, 7699, 9770, 15398, 16609, 33218, 38495, 76990, 83045, 130883, 166090, 261766, 654415, 1308830, 7521923, 15043846, 37609615, 75219230, 127872691, 255745382, 639363455, 1278726910]

約数ペア:

[(1, 1278726910), (2, 639363455), (5, 255745382), (10, 127872691), (17, 75219230), (34, 37609615), (85, 15043846), (170, 7521923), (977, 1308830), (1954, 654415), (4885, 261766), (7699, 166090), (9770, 130883), (15398, 83045), (16609, 76990), (33218, 38495)]