20161621285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1\times {\mathrm{3323}}^1$

素因数の和:3957

約数の個数: 32

約数和(自身を含む): 26235135360

約数和(自身を除く): 6073514075

約数列:

[1, 5, 13, 65, 269, 347, 1345, 1735, 3323, 3497, 4511, 16615, 17485, 22555, 43199, 93343, 215995, 466715, 893887, 1153081, 1213459, 4469435, 5765405, 6067295, 11620531, 14990053, 58102655, 74950265, 310178789, 1550893945, 4032324257, 20161621285]

約数ペア:

[(1, 20161621285), (5, 4032324257), (13, 1550893945), (65, 310178789), (269, 74950265), (347, 58102655), (1345, 14990053), (1735, 11620531), (3323, 6067295), (3497, 5765405), (4511, 4469435), (16615, 1213459), (17485, 1153081), (22555, 893887), (43199, 466715), (93343, 215995)]