131787448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 281675520

約数和(自身を除く): 149888072

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 806, 997, 1066, 1271, 1612, 1994, 2132, 2542, 3224, 3988, 4264, 5084, 7976, 10168, 12961, 16523, 25922, 30907, 33046, 40877, 51844, 61814, 66092, 81754, 103688, 123628, 132184, 163508, 247256, 327016, 401791, 531401, 803582, 1062802, 1267187, 1607164, 2125604, 2534374, 3214328, 4251208, 5068748, 10137496, 16473431, 32946862, 65893724, 131787448]

約数ペア:

[(1, 131787448), (2, 65893724), (4, 32946862), (8, 16473431), (13, 10137496), (26, 5068748), (31, 4251208), (41, 3214328), (52, 2534374), (62, 2125604), (82, 1607164), (104, 1267187), (124, 1062802), (164, 803582), (248, 531401), (328, 401791), (403, 327016), (533, 247256), (806, 163508), (997, 132184), (1066, 123628), (1271, 103688), (1612, 81754), (1994, 66092), (2132, 61814), (2542, 51844), (3224, 40877), (3988, 33046), (4264, 30907), (5084, 25922), (7976, 16523), (10168, 12961)]