197889368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 396165120

約数和(自身を除く): 198275752

約数列:

[1, 2, 4, 8, 31, 61, 62, 103, 122, 124, 127, 206, 244, 248, 254, 412, 488, 508, 824, 1016, 1891, 3193, 3782, 3937, 6283, 6386, 7564, 7747, 7874, 12566, 12772, 13081, 15128, 15494, 15748, 25132, 25544, 26162, 30988, 31496, 50264, 52324, 61976, 104648, 194773, 240157, 389546, 405511, 480314, 779092, 797941, 811022, 960628, 1558184, 1595882, 1622044, 1921256, 3191764, 3244088, 6383528, 24736171, 49472342, 98944684, 197889368]

約数ペア:

[(1, 197889368), (2, 98944684), (4, 49472342), (8, 24736171), (31, 6383528), (61, 3244088), (62, 3191764), (103, 1921256), (122, 1622044), (124, 1595882), (127, 1558184), (206, 960628), (244, 811022), (248, 797941), (254, 779092), (412, 480314), (488, 405511), (508, 389546), (824, 240157), (1016, 194773), (1891, 104648), (3193, 61976), (3782, 52324), (3937, 50264), (6283, 31496), (6386, 30988), (7564, 26162), (7747, 25544), (7874, 25132), (12566, 15748), (12772, 15494), (13081, 15128)]