1290539978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{13931}}^1$

素因数の和:14462

約数の個数: 32

約数和(自身を含む): 2387387520

約数和(自身を除く): 1096847542

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 509, 1018, 3563, 6617, 7126, 13234, 13931, 27862, 46319, 92638, 97517, 181103, 195034, 362206, 1267721, 2535442, 7090879, 14181758, 49636153, 92181427, 99272306, 184362854, 645269989, 1290539978]

約数ペア:

[(1, 1290539978), (2, 645269989), (7, 184362854), (13, 99272306), (14, 92181427), (26, 49636153), (91, 14181758), (182, 7090879), (509, 2535442), (1018, 1267721), (3563, 362206), (6617, 195034), (7126, 181103), (13234, 97517), (13931, 92638), (27862, 46319)]