428974345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 556485120

約数和(自身を除く): 127510775

約数列:

[1, 5, 17, 79, 85, 193, 331, 395, 965, 1343, 1655, 3281, 5627, 6715, 15247, 16405, 26149, 28135, 63883, 76235, 130745, 259199, 319415, 444533, 1086011, 1295995, 2222665, 5046757, 5430055, 25233785, 85794869, 428974345]

約数ペア:

[(1, 428974345), (5, 85794869), (17, 25233785), (79, 5430055), (85, 5046757), (193, 2222665), (331, 1295995), (395, 1086011), (965, 444533), (1343, 319415), (1655, 259199), (3281, 130745), (5627, 76235), (6715, 63883), (15247, 28135), (16405, 26149)]