42638128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10789}}^1$

素因数の和:10829

約数の個数: 40

約数和(自身を含む): 93657200

約数和(自身を除く): 51019072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 10789, 21578, 43156, 86312, 140257, 172624, 204991, 280514, 409982, 561028, 819964, 1122056, 1639928, 2244112, 2664883, 3279856, 5329766, 10659532, 21319064, 42638128]

約数ペア:

[(1, 42638128), (2, 21319064), (4, 10659532), (8, 5329766), (13, 3279856), (16, 2664883), (19, 2244112), (26, 1639928), (38, 1122056), (52, 819964), (76, 561028), (104, 409982), (152, 280514), (208, 204991), (247, 172624), (304, 140257), (494, 86312), (988, 43156), (1976, 21578), (3952, 10789)]