315778138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 538675200

約数和(自身を除く): 222897062

約数列:

[1, 2, 13, 19, 26, 38, 247, 383, 494, 766, 1669, 3338, 4979, 7277, 9958, 14554, 21697, 31711, 43394, 63422, 94601, 189202, 412243, 639227, 824486, 1278454, 8309951, 12145313, 16619902, 24290626, 157889069, 315778138]

約数ペア:

[(1, 315778138), (2, 157889069), (13, 24290626), (19, 16619902), (26, 12145313), (38, 8309951), (247, 1278454), (383, 824486), (494, 639227), (766, 412243), (1669, 189202), (3338, 94601), (4979, 63422), (7277, 43394), (9958, 31711), (14554, 21697)]