71897777

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1187}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 87246720

約数和(自身を除く): 15348943

約数列:

[1, 7, 17, 119, 509, 1187, 3563, 8309, 8653, 20179, 60571, 141253, 604183, 4229281, 10271111, 71897777]

約数ペア:

[(1, 71897777), (7, 10271111), (17, 4229281), (119, 604183), (509, 141253), (1187, 60571), (3563, 20179), (8309, 8653)]