72138565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 95178240

約数和(自身を除く): 23039675

約数列:

[1, 5, 17, 53, 67, 85, 239, 265, 335, 901, 1139, 1195, 3551, 4063, 4505, 5695, 12667, 16013, 17755, 20315, 60367, 63335, 80065, 215339, 272221, 301835, 848689, 1076695, 1361105, 4243445, 14427713, 72138565]

約数ペア:

[(1, 72138565), (5, 14427713), (17, 4243445), (53, 1361105), (67, 1076695), (85, 848689), (239, 301835), (265, 272221), (335, 215339), (901, 80065), (1139, 63335), (1195, 60367), (3551, 20315), (4063, 17755), (4505, 16013), (5695, 12667)]