20131331143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1\times {\mathrm{2503}}^1$

素因数の和:4147

約数の個数: 32

約数和(自身を含む): 25499934720

約数和(自身を除く): 5368603577

約数列:

[1, 7, 11, 67, 77, 469, 737, 1559, 2503, 5159, 10913, 17149, 17521, 27533, 104453, 120043, 167701, 192731, 731171, 1148983, 1173907, 1844711, 3902177, 8042881, 12912977, 27315239, 42923947, 261445859, 300467629, 1830121013, 2875904449, 20131331143]

約数ペア:

[(1, 20131331143), (7, 2875904449), (11, 1830121013), (67, 300467629), (77, 261445859), (469, 42923947), (737, 27315239), (1559, 12912977), (2503, 8042881), (5159, 3902177), (10913, 1844711), (17149, 1173907), (17521, 1148983), (27533, 731171), (104453, 192731), (120043, 167701)]