899492718

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1993}}^1$

素因数の和:2161

約数の個数: 64

約数和(自身を含む): 1964010240

約数和(自身を除く): 1064517522

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 107, 111, 114, 214, 222, 321, 642, 703, 1406, 1993, 2033, 2109, 3959, 3986, 4066, 4218, 5979, 6099, 7918, 11877, 11958, 12198, 23754, 37867, 73741, 75221, 75734, 113601, 147482, 150442, 213251, 221223, 225663, 227202, 426502, 442446, 451326, 639753, 1279506, 1401079, 2802158, 4051769, 4203237, 7890287, 8103538, 8406474, 12155307, 15780574, 23670861, 24310614, 47341722, 149915453, 299830906, 449746359, 899492718]

約数ペア:

[(1, 899492718), (2, 449746359), (3, 299830906), (6, 149915453), (19, 47341722), (37, 24310614), (38, 23670861), (57, 15780574), (74, 12155307), (107, 8406474), (111, 8103538), (114, 7890287), (214, 4203237), (222, 4051769), (321, 2802158), (642, 1401079), (703, 1279506), (1406, 639753), (1993, 451326), (2033, 442446), (2109, 426502), (3959, 227202), (3986, 225663), (4066, 221223), (4218, 213251), (5979, 150442), (6099, 147482), (7918, 113601), (11877, 75734), (11958, 75221), (12198, 73741), (23754, 37867)]