86619784

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 173850300

約数和(自身を除く): 87230516

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 337, 356, 361, 674, 712, 722, 1348, 1444, 1691, 2696, 2888, 3382, 6403, 6764, 12806, 13528, 25612, 29993, 32129, 51224, 59986, 64258, 119972, 121657, 128516, 239944, 243314, 257032, 486628, 569867, 973256, 1139734, 2279468, 4558936, 10827473, 21654946, 43309892, 86619784]

約数ペア:

[(1, 86619784), (2, 43309892), (4, 21654946), (8, 10827473), (19, 4558936), (38, 2279468), (76, 1139734), (89, 973256), (152, 569867), (178, 486628), (337, 257032), (356, 243314), (361, 239944), (674, 128516), (712, 121657), (722, 119972), (1348, 64258), (1444, 59986), (1691, 51224), (2696, 32129), (2888, 29993), (3382, 25612), (6403, 13528), (6764, 12806)]