91378655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 124084224

約数和(自身を除く): 32705569

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1087, 1955, 3655, 4945, 5435, 16813, 18479, 25001, 46741, 84065, 92395, 125005, 233705, 425017, 794597, 1075043, 2125085, 3972985, 5375215, 18275731, 91378655]

約数ペア:

[(1, 91378655), (5, 18275731), (17, 5375215), (23, 3972985), (43, 2125085), (85, 1075043), (115, 794597), (215, 425017), (391, 233705), (731, 125005), (989, 92395), (1087, 84065), (1955, 46741), (3655, 25001), (4945, 18479), (5435, 16813)]