81383344

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6791}}^1$

素因数の和:6913

約数の個数: 40

約数和(自身を含む): 181916928

約数和(自身を除く): 100533584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 6791, 11984, 13582, 27164, 47537, 54328, 95074, 108656, 190148, 380296, 726637, 760592, 1453274, 2906548, 5086459, 5813096, 10172918, 11626192, 20345836, 40691672, 81383344]

約数ペア:

[(1, 81383344), (2, 40691672), (4, 20345836), (7, 11626192), (8, 10172918), (14, 5813096), (16, 5086459), (28, 2906548), (56, 1453274), (107, 760592), (112, 726637), (214, 380296), (428, 190148), (749, 108656), (856, 95074), (1498, 54328), (1712, 47537), (2996, 27164), (5992, 13582), (6791, 11984)]