199861428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 509325600

約数和(自身を除く): 309464172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 169, 278, 338, 417, 507, 556, 676, 709, 834, 1014, 1418, 1668, 1807, 2028, 2127, 2836, 3614, 4254, 5421, 7228, 8508, 9217, 10842, 18434, 21684, 23491, 27651, 36868, 46982, 55302, 70473, 93964, 98551, 110604, 119821, 140946, 197102, 239642, 281892, 295653, 359463, 394204, 479284, 591306, 718926, 1182612, 1281163, 1437852, 2562326, 3843489, 5124652, 7686978, 15373956, 16655119, 33310238, 49965357, 66620476, 99930714, 199861428]

約数ペア:

[(1, 199861428), (2, 99930714), (3, 66620476), (4, 49965357), (6, 33310238), (12, 16655119), (13, 15373956), (26, 7686978), (39, 5124652), (52, 3843489), (78, 2562326), (139, 1437852), (156, 1281163), (169, 1182612), (278, 718926), (338, 591306), (417, 479284), (507, 394204), (556, 359463), (676, 295653), (709, 281892), (834, 239642), (1014, 197102), (1418, 140946), (1668, 119821), (1807, 110604), (2028, 98551), (2127, 93964), (2836, 70473), (3614, 55302), (4254, 46982), (5421, 36868), (7228, 27651), (8508, 23491), (9217, 21684), (10842, 18434)]