15999568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 34469148

約数和(自身を除く): 18469580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 97, 104, 122, 169, 194, 208, 244, 338, 388, 488, 676, 776, 793, 976, 1261, 1352, 1552, 1586, 2522, 2704, 3172, 5044, 5917, 6344, 10088, 10309, 11834, 12688, 16393, 20176, 20618, 23668, 32786, 41236, 47336, 65572, 76921, 82472, 94672, 131144, 153842, 164944, 262288, 307684, 615368, 999973, 1230736, 1999946, 3999892, 7999784, 15999568]

約数ペア:

[(1, 15999568), (2, 7999784), (4, 3999892), (8, 1999946), (13, 1230736), (16, 999973), (26, 615368), (52, 307684), (61, 262288), (97, 164944), (104, 153842), (122, 131144), (169, 94672), (194, 82472), (208, 76921), (244, 65572), (338, 47336), (388, 41236), (488, 32786), (676, 23668), (776, 20618), (793, 20176), (976, 16393), (1261, 12688), (1352, 11834), (1552, 10309), (1586, 10088), (2522, 6344), (2704, 5917), (3172, 5044)]