721551116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23801}}^1$

素因数の和:23882

約数の個数: 48

約数和(自身を含む): 1511522208

約数和(自身を除く): 789971092

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 689, 1166, 1378, 2332, 2756, 7579, 15158, 23801, 30316, 47602, 95204, 261811, 309413, 523622, 618826, 1047244, 1237652, 1261453, 2522906, 3403543, 5045812, 6807086, 13614172, 13875983, 16398889, 27751966, 32797778, 55503932, 65595556, 180387779, 360775558, 721551116]

約数ペア:

[(1, 721551116), (2, 360775558), (4, 180387779), (11, 65595556), (13, 55503932), (22, 32797778), (26, 27751966), (44, 16398889), (52, 13875983), (53, 13614172), (106, 6807086), (143, 5045812), (212, 3403543), (286, 2522906), (572, 1261453), (583, 1237652), (689, 1047244), (1166, 618826), (1378, 523622), (2332, 309413), (2756, 261811), (7579, 95204), (15158, 47602), (23801, 30316)]