81319910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2477}}^1$

素因数の和:2565

約数の個数: 48

約数和(自身を含む): 172885104

約数和(自身を除く): 91565194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 670, 938, 2345, 2477, 3283, 4690, 4954, 6566, 12385, 16415, 17339, 24770, 32830, 34678, 86695, 121373, 165959, 173390, 242746, 331918, 606865, 829795, 1161713, 1213730, 1659590, 2323426, 5808565, 8131991, 11617130, 16263982, 40659955, 81319910]

約数ペア:

[(1, 81319910), (2, 40659955), (5, 16263982), (7, 11617130), (10, 8131991), (14, 5808565), (35, 2323426), (49, 1659590), (67, 1213730), (70, 1161713), (98, 829795), (134, 606865), (245, 331918), (335, 242746), (469, 173390), (490, 165959), (670, 121373), (938, 86695), (2345, 34678), (2477, 32830), (3283, 24770), (4690, 17339), (4954, 16415), (6566, 12385)]