189888946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 339026688

約数和(自身を除く): 149137742

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 97, 103, 194, 206, 221, 442, 559, 731, 1118, 1261, 1339, 1462, 1649, 1751, 2522, 2678, 3298, 3502, 4171, 4429, 8342, 8858, 9503, 9991, 19006, 19982, 21437, 22763, 42874, 45526, 54223, 57577, 70907, 75293, 108446, 115154, 129883, 141814, 150586, 169847, 259766, 339694, 429613, 859226, 921791, 978809, 1843582, 1957618, 2208011, 4416022, 5584969, 7303421, 11169938, 14606842, 94944473, 189888946]

約数ペア:

[(1, 189888946), (2, 94944473), (13, 14606842), (17, 11169938), (26, 7303421), (34, 5584969), (43, 4416022), (86, 2208011), (97, 1957618), (103, 1843582), (194, 978809), (206, 921791), (221, 859226), (442, 429613), (559, 339694), (731, 259766), (1118, 169847), (1261, 150586), (1339, 141814), (1462, 129883), (1649, 115154), (1751, 108446), (2522, 75293), (2678, 70907), (3298, 57577), (3502, 54223), (4171, 45526), (4429, 42874), (8342, 22763), (8858, 21437), (9503, 19982), (9991, 19006)]