80418898

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 146824704

約数和(自身を除く): 66405806

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 103, 206, 217, 257, 434, 514, 721, 1442, 1519, 1799, 3038, 3193, 3598, 5047, 6386, 7967, 10094, 12593, 15934, 22351, 25186, 26471, 44702, 52942, 55769, 111538, 156457, 185297, 312914, 370594, 390383, 780766, 820601, 1297079, 1641202, 2594158, 5744207, 11488414, 40209449, 80418898]

約数ペア:

[(1, 80418898), (2, 40209449), (7, 11488414), (14, 5744207), (31, 2594158), (49, 1641202), (62, 1297079), (98, 820601), (103, 780766), (206, 390383), (217, 370594), (257, 312914), (434, 185297), (514, 156457), (721, 111538), (1442, 55769), (1519, 52942), (1799, 44702), (3038, 26471), (3193, 25186), (3598, 22351), (5047, 15934), (6386, 12593), (7967, 10094)]