389621309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 498355200

約数和(自身を除く): 108733891

約数列:

[1, 7, 11, 59, 77, 139, 413, 617, 649, 973, 1529, 4319, 4543, 6787, 8201, 10703, 36403, 47509, 57407, 85763, 90211, 254821, 400433, 600341, 631477, 943393, 2803031, 5060017, 6603751, 35420119, 55660187, 389621309]

約数ペア:

[(1, 389621309), (7, 55660187), (11, 35420119), (59, 6603751), (77, 5060017), (139, 2803031), (413, 943393), (617, 631477), (649, 600341), (973, 400433), (1529, 254821), (4319, 90211), (4543, 85763), (6787, 57407), (8201, 47509), (10703, 36403)]