428399946

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{13171}}^1$

素因数の和:13331

約数の個数: 48

約数和(自身を含む): 1006867680

約数和(自身を除く): 578467734

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 139, 234, 278, 417, 834, 1251, 1807, 2502, 3614, 5421, 10842, 13171, 16263, 26342, 32526, 39513, 79026, 118539, 171223, 237078, 342446, 513669, 1027338, 1541007, 1830769, 3082014, 3661538, 5492307, 10984614, 16476921, 23799997, 32953842, 47599994, 71399991, 142799982, 214199973, 428399946]

約数ペア:

[(1, 428399946), (2, 214199973), (3, 142799982), (6, 71399991), (9, 47599994), (13, 32953842), (18, 23799997), (26, 16476921), (39, 10984614), (78, 5492307), (117, 3661538), (139, 3082014), (234, 1830769), (278, 1541007), (417, 1027338), (834, 513669), (1251, 342446), (1807, 237078), (2502, 171223), (3614, 118539), (5421, 79026), (10842, 39513), (13171, 32526), (16263, 26342)]