81684184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 170100000

約数和(自身を除く): 88415816

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 139, 149, 232, 278, 298, 493, 556, 596, 986, 1112, 1192, 1972, 2363, 2533, 3944, 4031, 4321, 4726, 5066, 8062, 8642, 9452, 10132, 16124, 17284, 18904, 20264, 20711, 32248, 34568, 41422, 68527, 73457, 82844, 137054, 146914, 165688, 274108, 293828, 352087, 548216, 587656, 600619, 704174, 1201238, 1408348, 2402476, 2816696, 4804952, 10210523, 20421046, 40842092, 81684184]

約数ペア:

[(1, 81684184), (2, 40842092), (4, 20421046), (8, 10210523), (17, 4804952), (29, 2816696), (34, 2402476), (58, 1408348), (68, 1201238), (116, 704174), (136, 600619), (139, 587656), (149, 548216), (232, 352087), (278, 293828), (298, 274108), (493, 165688), (556, 146914), (596, 137054), (986, 82844), (1112, 73457), (1192, 68527), (1972, 41422), (2363, 34568), (2533, 32248), (3944, 20711), (4031, 20264), (4321, 18904), (4726, 17284), (5066, 16124), (8062, 10132), (8642, 9452)]