1289394005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{467}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 1638973440

約数和(自身を除く): 349579435

約数列:

[1, 5, 31, 47, 155, 235, 379, 467, 1457, 1895, 2335, 7285, 11749, 14477, 17813, 21949, 58745, 72385, 89065, 109745, 176993, 552203, 680419, 884965, 2761015, 3402095, 5486783, 8318671, 27433915, 41593355, 257878801, 1289394005]

約数ペア:

[(1, 1289394005), (5, 257878801), (31, 41593355), (47, 27433915), (155, 8318671), (235, 5486783), (379, 3402095), (467, 2761015), (1457, 884965), (1895, 680419), (2335, 552203), (7285, 176993), (11749, 109745), (14477, 89065), (17813, 72385), (21949, 58745)]