25009794796

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^2\times {\mathrm{457}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 51237060896

約数和(自身を除く): 26227266100

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 179, 244, 358, 427, 457, 716, 854, 914, 1253, 1708, 1828, 2506, 3199, 5012, 6398, 10919, 12796, 21838, 27877, 32041, 43676, 55754, 64082, 76433, 81803, 111508, 128164, 152866, 163606, 195139, 224287, 305732, 327212, 390278, 448574, 572621, 780556, 897148, 1145242, 1954501, 2290484, 3909002, 4989983, 7818004, 9979966, 13681507, 14642737, 19959932, 27363014, 29285474, 34929881, 54726028, 58570948, 69859762, 102499159, 139719524, 204998318, 409996636, 893206957, 1786413914, 3572827828, 6252448699, 12504897398, 25009794796]

約数ペア:

[(1, 25009794796), (2, 12504897398), (4, 6252448699), (7, 3572827828), (14, 1786413914), (28, 893206957), (61, 409996636), (122, 204998318), (179, 139719524), (244, 102499159), (358, 69859762), (427, 58570948), (457, 54726028), (716, 34929881), (854, 29285474), (914, 27363014), (1253, 19959932), (1708, 14642737), (1828, 13681507), (2506, 9979966), (3199, 7818004), (5012, 4989983), (6398, 3909002), (10919, 2290484), (12796, 1954501), (21838, 1145242), (27877, 897148), (32041, 780556), (43676, 572621), (55754, 448574), (64082, 390278), (76433, 327212), (81803, 305732), (111508, 224287), (128164, 195139), (152866, 163606)]