26991685

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 40055040

約数和(自身を除く): 13063355

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 1097, 1295, 3515, 4921, 5485, 7679, 20843, 24605, 38395, 40589, 104215, 145901, 202945, 284123, 729505, 771191, 1420615, 3855955, 5398337, 26991685]

約数ペア:

[(1, 26991685), (5, 5398337), (7, 3855955), (19, 1420615), (35, 771191), (37, 729505), (95, 284123), (133, 202945), (185, 145901), (259, 104215), (665, 40589), (703, 38395), (1097, 24605), (1295, 20843), (3515, 7679), (4921, 5485)]