28440286

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 53901936

約数和(自身を除く): 25461650

約数列:

[1, 2, 7, 14, 17, 34, 43, 49, 86, 98, 119, 238, 301, 397, 602, 731, 794, 833, 1462, 1666, 2107, 2779, 4214, 5117, 5558, 6749, 10234, 13498, 17071, 19453, 34142, 35819, 38906, 47243, 71638, 94486, 119497, 238994, 290207, 330701, 580414, 661402, 836479, 1672958, 2031449, 4062898, 14220143, 28440286]

約数ペア:

[(1, 28440286), (2, 14220143), (7, 4062898), (14, 2031449), (17, 1672958), (34, 836479), (43, 661402), (49, 580414), (86, 330701), (98, 290207), (119, 238994), (238, 119497), (301, 94486), (397, 71638), (602, 47243), (731, 38906), (794, 35819), (833, 34142), (1462, 19453), (1666, 17071), (2107, 13498), (2779, 10234), (4214, 6749), (5117, 5558)]