28541656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 64058400

約数和(自身を除く): 35516744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 61, 88, 104, 122, 143, 244, 286, 409, 488, 572, 671, 793, 818, 1144, 1342, 1586, 1636, 2684, 3172, 3272, 4499, 5317, 5368, 6344, 8723, 8998, 10634, 17446, 17996, 21268, 24949, 34892, 35992, 42536, 49898, 58487, 69784, 99796, 116974, 199592, 233948, 274439, 324337, 467896, 548878, 648674, 1097756, 1297348, 2195512, 2594696, 3567707, 7135414, 14270828, 28541656]

約数ペア:

[(1, 28541656), (2, 14270828), (4, 7135414), (8, 3567707), (11, 2594696), (13, 2195512), (22, 1297348), (26, 1097756), (44, 648674), (52, 548878), (61, 467896), (88, 324337), (104, 274439), (122, 233948), (143, 199592), (244, 116974), (286, 99796), (409, 69784), (488, 58487), (572, 49898), (671, 42536), (793, 35992), (818, 34892), (1144, 24949), (1342, 21268), (1586, 17996), (1636, 17446), (2684, 10634), (3172, 8998), (3272, 8723), (4499, 6344), (5317, 5368)]