1389491888

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2362

約数の個数: 60

約数和(自身を含む): 2868655680

約数和(自身を除く): 1479163792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 361, 436, 722, 872, 1444, 1744, 2071, 2207, 2888, 4142, 4414, 5776, 8284, 8828, 16568, 17656, 33136, 35312, 39349, 41933, 78698, 83866, 157396, 167732, 240563, 314792, 335464, 481126, 629584, 670928, 796727, 962252, 1593454, 1924504, 3186908, 3849008, 4570697, 6373816, 9141394, 12747632, 18282788, 36565576, 73131152, 86843243, 173686486, 347372972, 694745944, 1389491888]

約数ペア:

[(1, 1389491888), (2, 694745944), (4, 347372972), (8, 173686486), (16, 86843243), (19, 73131152), (38, 36565576), (76, 18282788), (109, 12747632), (152, 9141394), (218, 6373816), (304, 4570697), (361, 3849008), (436, 3186908), (722, 1924504), (872, 1593454), (1444, 962252), (1744, 796727), (2071, 670928), (2207, 629584), (2888, 481126), (4142, 335464), (4414, 314792), (5776, 240563), (8284, 167732), (8828, 157396), (16568, 83866), (17656, 78698), (33136, 41933), (35312, 39349)]