199915144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4723}}^1$

素因数の和:4790

約数の個数: 64

約数和(自身を含む): 452370240

約数和(自身を除く): 252455096

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 814, 962, 1144, 1628, 1924, 3256, 3848, 4723, 5291, 9446, 10582, 18892, 21164, 37784, 42328, 51953, 61399, 103906, 122798, 174751, 207812, 245596, 349502, 415624, 491192, 675389, 699004, 1350778, 1398008, 1922261, 2271763, 2701556, 3844522, 4543526, 5403112, 7689044, 9087052, 15378088, 18174104, 24989393, 49978786, 99957572, 199915144]

約数ペア:

[(1, 199915144), (2, 99957572), (4, 49978786), (8, 24989393), (11, 18174104), (13, 15378088), (22, 9087052), (26, 7689044), (37, 5403112), (44, 4543526), (52, 3844522), (74, 2701556), (88, 2271763), (104, 1922261), (143, 1398008), (148, 1350778), (286, 699004), (296, 675389), (407, 491192), (481, 415624), (572, 349502), (814, 245596), (962, 207812), (1144, 174751), (1628, 122798), (1924, 103906), (3256, 61399), (3848, 51953), (4723, 42328), (5291, 37784), (9446, 21164), (10582, 18892)]