38920973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 51367680

約数和(自身を除く): 12446707

約数列:

[1, 7, 13, 17, 91, 119, 139, 181, 221, 973, 1267, 1547, 1807, 2353, 2363, 3077, 12649, 16471, 16541, 21539, 25159, 30719, 40001, 176113, 215033, 280007, 327067, 427703, 2289469, 2993921, 5560139, 38920973]

約数ペア:

[(1, 38920973), (7, 5560139), (13, 2993921), (17, 2289469), (91, 427703), (119, 327067), (139, 280007), (181, 215033), (221, 176113), (973, 40001), (1267, 30719), (1547, 25159), (1807, 21539), (2353, 16541), (2363, 16471), (3077, 12649)]