38378879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 51801600

約数和(自身を除く): 13422721

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 709, 1463, 2849, 4921, 4963, 7733, 7799, 13471, 26233, 54131, 54593, 94297, 148181, 183631, 288563, 498427, 1037267, 2019941, 3488989, 5482697, 38378879]

約数ペア:

[(1, 38378879), (7, 5482697), (11, 3488989), (19, 2019941), (37, 1037267), (77, 498427), (133, 288563), (209, 183631), (259, 148181), (407, 94297), (703, 54593), (709, 54131), (1463, 26233), (2849, 13471), (4921, 7799), (4963, 7733)]