129575888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1091}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 271086816

約数和(自身を除く): 141510928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 571, 1091, 1142, 2182, 2284, 4364, 4568, 7423, 8728, 9136, 14183, 14846, 17456, 28366, 29692, 56732, 59384, 113464, 118768, 226928, 622961, 1245922, 2491844, 4983688, 8098493, 9967376, 16196986, 32393972, 64787944, 129575888]

約数ペア:

[(1, 129575888), (2, 64787944), (4, 32393972), (8, 16196986), (13, 9967376), (16, 8098493), (26, 4983688), (52, 2491844), (104, 1245922), (208, 622961), (571, 226928), (1091, 118768), (1142, 113464), (2182, 59384), (2284, 56732), (4364, 29692), (4568, 28366), (7423, 17456), (8728, 14846), (9136, 14183)]