290291235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 537933312

約数和(自身を除く): 247642077

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 67, 85, 195, 201, 221, 255, 335, 663, 871, 1005, 1105, 1139, 1307, 2613, 3315, 3417, 3921, 4355, 5695, 6535, 13065, 14807, 16991, 17085, 19605, 22219, 44421, 50973, 66657, 74035, 84955, 87569, 111095, 222105, 254865, 262707, 288847, 333285, 437845, 866541, 1138397, 1313535, 1444235, 1488673, 3415191, 4332705, 4466019, 5691985, 7443365, 17075955, 19352749, 22330095, 58058247, 96763745, 290291235]

約数ペア:

[(1, 290291235), (3, 96763745), (5, 58058247), (13, 22330095), (15, 19352749), (17, 17075955), (39, 7443365), (51, 5691985), (65, 4466019), (67, 4332705), (85, 3415191), (195, 1488673), (201, 1444235), (221, 1313535), (255, 1138397), (335, 866541), (663, 437845), (871, 333285), (1005, 288847), (1105, 262707), (1139, 254865), (1307, 222105), (2613, 111095), (3315, 87569), (3417, 84955), (3921, 74035), (4355, 66657), (5695, 50973), (6535, 44421), (13065, 22219), (14807, 19605), (16991, 17085)]