31309796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 66460800

約数和(自身を除く): 35151004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 229, 257, 266, 458, 514, 532, 916, 1028, 1603, 1799, 3206, 3598, 4351, 4883, 6412, 7196, 8702, 9766, 17404, 19532, 30457, 34181, 58853, 60914, 68362, 117706, 121828, 136724, 235412, 411971, 823942, 1118207, 1647884, 2236414, 4472828, 7827449, 15654898, 31309796]

約数ペア:

[(1, 31309796), (2, 15654898), (4, 7827449), (7, 4472828), (14, 2236414), (19, 1647884), (28, 1118207), (38, 823942), (76, 411971), (133, 235412), (229, 136724), (257, 121828), (266, 117706), (458, 68362), (514, 60914), (532, 58853), (916, 34181), (1028, 30457), (1603, 19532), (1799, 17404), (3206, 9766), (3598, 8702), (4351, 7196), (4883, 6412)]