31478070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80713}}^1$

素因数の和:80736

約数の個数: 32

約数和(自身を含む): 81359712

約数和(自身を除く): 49881642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80713, 161426, 242139, 403565, 484278, 807130, 1049269, 1210695, 2098538, 2421390, 3147807, 5246345, 6295614, 10492690, 15739035, 31478070]

約数ペア:

[(1, 31478070), (2, 15739035), (3, 10492690), (5, 6295614), (6, 5246345), (10, 3147807), (13, 2421390), (15, 2098538), (26, 1210695), (30, 1049269), (39, 807130), (65, 484278), (78, 403565), (130, 242139), (195, 161426), (390, 80713)]