1390974914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 2569881600

約数和(自身を除く): 1178906686

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 263, 266, 337, 413, 526, 674, 826, 1121, 1841, 2242, 2359, 3682, 4718, 4997, 6403, 7847, 9994, 12806, 15517, 15694, 19883, 31034, 34979, 39766, 44821, 69958, 88631, 89642, 108619, 139181, 177262, 217238, 278362, 294823, 377777, 589646, 620417, 755554, 1240834, 1683989, 2063761, 2644439, 3367978, 4127522, 5229229, 5288878, 10458458, 11787923, 23575846, 36604603, 73209206, 99355351, 198710702, 695487457, 1390974914]

約数ペア:

[(1, 1390974914), (2, 695487457), (7, 198710702), (14, 99355351), (19, 73209206), (38, 36604603), (59, 23575846), (118, 11787923), (133, 10458458), (263, 5288878), (266, 5229229), (337, 4127522), (413, 3367978), (526, 2644439), (674, 2063761), (826, 1683989), (1121, 1240834), (1841, 755554), (2242, 620417), (2359, 589646), (3682, 377777), (4718, 294823), (4997, 278362), (6403, 217238), (7847, 177262), (9994, 139181), (12806, 108619), (15517, 89642), (15694, 88631), (19883, 69958), (31034, 44821), (34979, 39766)]