30639856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7753}}^1$

素因数の和:7793

約数の個数: 40

約数和(自身を含む): 67304720

約数和(自身を除く): 36664864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7753, 15506, 31012, 62024, 100789, 124048, 147307, 201578, 294614, 403156, 589228, 806312, 1178456, 1612624, 1914991, 2356912, 3829982, 7659964, 15319928, 30639856]

約数ペア:

[(1, 30639856), (2, 15319928), (4, 7659964), (8, 3829982), (13, 2356912), (16, 1914991), (19, 1612624), (26, 1178456), (38, 806312), (52, 589228), (76, 403156), (104, 294614), (152, 201578), (208, 147307), (247, 124048), (304, 100789), (494, 62024), (988, 31012), (1976, 15506), (3952, 7753)]