31278198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 76889088

約数和(自身を除く): 45610890

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 71, 102, 119, 142, 213, 238, 357, 426, 497, 617, 714, 994, 1207, 1234, 1491, 1851, 2414, 2982, 3621, 3702, 4319, 7242, 8449, 8638, 10489, 12957, 16898, 20978, 25347, 25914, 31467, 43807, 50694, 62934, 73423, 87614, 131421, 146846, 220269, 262842, 306649, 440538, 613298, 744719, 919947, 1489438, 1839894, 2234157, 4468314, 5213033, 10426066, 15639099, 31278198]

約数ペア:

[(1, 31278198), (2, 15639099), (3, 10426066), (6, 5213033), (7, 4468314), (14, 2234157), (17, 1839894), (21, 1489438), (34, 919947), (42, 744719), (51, 613298), (71, 440538), (102, 306649), (119, 262842), (142, 220269), (213, 146846), (238, 131421), (357, 87614), (426, 73423), (497, 62934), (617, 50694), (714, 43807), (994, 31467), (1207, 25914), (1234, 25347), (1491, 20978), (1851, 16898), (2414, 12957), (2982, 10489), (3621, 8638), (3702, 8449), (4319, 7242)]