128778845845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{797911}}^1$

素因数の和:798133

約数の個数: 24

約数和(自身を含む): 168212616192

約数和(自身を除く): 39433770347

約数列:

[1, 5, 13, 65, 169, 191, 845, 955, 2483, 12415, 32279, 161395, 797911, 3989555, 10372843, 51864215, 134846959, 152401001, 674234795, 762005005, 1981213013, 9906065065, 25755769169, 128778845845]

約数ペア:

[(1, 128778845845), (5, 25755769169), (13, 9906065065), (65, 1981213013), (169, 762005005), (191, 674234795), (845, 152401001), (955, 134846959), (2483, 51864215), (12415, 10372843), (32279, 3989555), (161395, 797911)]