4003900856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2003}}^1\times {\mathrm{13151}}^1$

素因数の和:15179

約数の個数: 32

約数和(自身を含む): 7906982400

約数和(自身を除く): 3903081544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2003, 4006, 8012, 13151, 16024, 26302, 38057, 52604, 76114, 105208, 152228, 249869, 304456, 499738, 999476, 1998952, 26341453, 52682906, 105365812, 210731624, 500487607, 1000975214, 2001950428, 4003900856]

約数ペア:

[(1, 4003900856), (2, 2001950428), (4, 1000975214), (8, 500487607), (19, 210731624), (38, 105365812), (76, 52682906), (152, 26341453), (2003, 1998952), (4006, 999476), (8012, 499738), (13151, 304456), (16024, 249869), (26302, 152228), (38057, 105208), (52604, 76114)]