28176786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:808

約数の個数: 72

約数和(自身を含む): 71144892

約数和(自身を除く): 42968106

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 561, 726, 761, 1089, 1122, 1522, 1683, 2057, 2178, 2283, 3366, 4114, 4566, 6171, 6849, 8371, 12342, 12937, 13698, 16742, 18513, 25113, 25874, 37026, 38811, 50226, 75339, 77622, 92081, 116433, 142307, 150678, 184162, 232866, 276243, 284614, 426921, 552486, 828729, 853842, 1280763, 1565377, 1657458, 2561526, 3130754, 4696131, 9392262, 14088393, 28176786]

約数ペア:

[(1, 28176786), (2, 14088393), (3, 9392262), (6, 4696131), (9, 3130754), (11, 2561526), (17, 1657458), (18, 1565377), (22, 1280763), (33, 853842), (34, 828729), (51, 552486), (66, 426921), (99, 284614), (102, 276243), (121, 232866), (153, 184162), (187, 150678), (198, 142307), (242, 116433), (306, 92081), (363, 77622), (374, 75339), (561, 50226), (726, 38811), (761, 37026), (1089, 25874), (1122, 25113), (1522, 18513), (1683, 16742), (2057, 13698), (2178, 12937), (2283, 12342), (3366, 8371), (4114, 6849), (4566, 6171)]