2013221665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{232877}}^1$

素因数の和:232921

約数の個数: 32

約数和(自身を含む): 3129880320

約数和(自身を除く): 1116658655

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 232877, 1164385, 1630139, 3027401, 4424663, 8150695, 15137005, 21191807, 22123315, 30972641, 57520619, 105959035, 154863205, 287603095, 402644333, 2013221665]

約数ペア:

[(1, 2013221665), (5, 402644333), (7, 287603095), (13, 154863205), (19, 105959035), (35, 57520619), (65, 30972641), (91, 22123315), (95, 21191807), (133, 15137005), (247, 8150695), (455, 4424663), (665, 3027401), (1235, 1630139), (1729, 1164385), (8645, 232877)]