81316986

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^2$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 173037600

約数和(自身を除く): 91720614

約数列:

[1, 2, 3, 6, 29, 58, 59, 87, 89, 118, 174, 177, 178, 267, 354, 534, 1711, 2581, 3422, 5133, 5162, 5251, 7743, 7921, 10266, 10502, 15486, 15753, 15842, 23763, 31506, 47526, 152279, 229709, 304558, 456837, 459418, 467339, 689127, 913674, 934678, 1378254, 1402017, 2804034, 13552831, 27105662, 40658493, 81316986]

約数ペア:

[(1, 81316986), (2, 40658493), (3, 27105662), (6, 13552831), (29, 2804034), (58, 1402017), (59, 1378254), (87, 934678), (89, 913674), (118, 689127), (174, 467339), (177, 459418), (178, 456837), (267, 304558), (354, 229709), (534, 152279), (1711, 47526), (2581, 31506), (3422, 23763), (5133, 15842), (5162, 15753), (5251, 15486), (7743, 10502), (7921, 10266)]