158986919

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 203780016

約数和(自身を除く): 44793097

約数列:

[1, 7, 13, 49, 73, 91, 169, 263, 511, 637, 949, 1183, 1841, 3419, 3577, 6643, 8281, 12337, 12887, 19199, 23933, 44447, 46501, 86359, 134393, 167531, 249587, 311129, 604513, 940751, 1747109, 2177903, 3244631, 12229763, 22712417, 158986919]

約数ペア:

[(1, 158986919), (7, 22712417), (13, 12229763), (49, 3244631), (73, 2177903), (91, 1747109), (169, 940751), (263, 604513), (511, 311129), (637, 249587), (949, 167531), (1183, 134393), (1841, 86359), (3419, 46501), (3577, 44447), (6643, 23933), (8281, 19199), (12337, 12887)]