12261665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 16765056

約数和(自身を除く): 4503391

約数列:

[1, 5, 13, 41, 43, 65, 107, 205, 215, 533, 535, 559, 1391, 1763, 2665, 2795, 4387, 4601, 6955, 8815, 21935, 22919, 23005, 57031, 59813, 114595, 188641, 285155, 299065, 943205, 2452333, 12261665]

約数ペア:

[(1, 12261665), (5, 2452333), (13, 943205), (41, 299065), (43, 285155), (65, 188641), (107, 114595), (205, 59813), (215, 57031), (533, 23005), (535, 22919), (559, 21935), (1391, 8815), (1763, 6955), (2665, 4601), (2795, 4387)]