51561612

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 139085856

約数和(自身を除く): 87524244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 173, 204, 306, 346, 487, 519, 612, 692, 974, 1038, 1461, 1557, 1948, 2076, 2922, 2941, 3114, 4383, 5844, 5882, 6228, 8279, 8766, 8823, 11764, 16558, 17532, 17646, 24837, 26469, 33116, 35292, 49674, 52938, 74511, 84251, 99348, 105876, 149022, 168502, 252753, 298044, 337004, 505506, 758259, 1011012, 1432267, 1516518, 2864534, 3033036, 4296801, 5729068, 8593602, 12890403, 17187204, 25780806, 51561612]

約数ペア:

[(1, 51561612), (2, 25780806), (3, 17187204), (4, 12890403), (6, 8593602), (9, 5729068), (12, 4296801), (17, 3033036), (18, 2864534), (34, 1516518), (36, 1432267), (51, 1011012), (68, 758259), (102, 505506), (153, 337004), (173, 298044), (204, 252753), (306, 168502), (346, 149022), (487, 105876), (519, 99348), (612, 84251), (692, 74511), (974, 52938), (1038, 49674), (1461, 35292), (1557, 33116), (1948, 26469), (2076, 24837), (2922, 17646), (2941, 17532), (3114, 16558), (4383, 11764), (5844, 8823), (5882, 8766), (6228, 8279)]