221465390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{8999}}^1$

素因数の和:9136

約数の個数: 32

約数和(自身を含む): 419904000

約数和(自身を除く): 198438610

約数列:

[1, 2, 5, 10, 23, 46, 107, 115, 214, 230, 535, 1070, 2461, 4922, 8999, 12305, 17998, 24610, 44995, 89990, 206977, 413954, 962893, 1034885, 1925786, 2069770, 4814465, 9628930, 22146539, 44293078, 110732695, 221465390]

約数ペア:

[(1, 221465390), (2, 110732695), (5, 44293078), (10, 22146539), (23, 9628930), (46, 4814465), (107, 2069770), (115, 1925786), (214, 1034885), (230, 962893), (535, 413954), (1070, 206977), (2461, 89990), (4922, 44995), (8999, 24610), (12305, 17998)]