129220208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{6151}}^1$

素因数の和:6273

約数の個数: 40

約数和(自身を含む): 272336736

約数和(自身を除く): 143116528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 6151, 10504, 12302, 21008, 24604, 49208, 79963, 98416, 159926, 319852, 621251, 639704, 1242502, 1279408, 2485004, 4970008, 8076263, 9940016, 16152526, 32305052, 64610104, 129220208]

約数ペア:

[(1, 129220208), (2, 64610104), (4, 32305052), (8, 16152526), (13, 9940016), (16, 8076263), (26, 4970008), (52, 2485004), (101, 1279408), (104, 1242502), (202, 639704), (208, 621251), (404, 319852), (808, 159926), (1313, 98416), (1616, 79963), (2626, 49208), (5252, 24604), (6151, 21008), (10504, 12302)]