131031992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179989}}^1$

素因数の和:180015

約数の個数: 32

約数和(自身を含む): 302383200

約数和(自身を除く): 171351208

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 179989, 359978, 719956, 1259923, 1439912, 2339857, 2519846, 4679714, 5039692, 9359428, 10079384, 16378999, 18718856, 32757998, 65515996, 131031992]

約数ペア:

[(1, 131031992), (2, 65515996), (4, 32757998), (7, 18718856), (8, 16378999), (13, 10079384), (14, 9359428), (26, 5039692), (28, 4679714), (52, 2519846), (56, 2339857), (91, 1439912), (104, 1259923), (182, 719956), (364, 359978), (728, 179989)]