26656539

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 47565360

約数和(自身を除く): 20908821

約数列:

[1, 3, 7, 13, 21, 29, 37, 39, 49, 87, 91, 111, 147, 169, 203, 259, 273, 377, 481, 507, 609, 637, 777, 1073, 1131, 1183, 1421, 1443, 1813, 1911, 2639, 3219, 3367, 3549, 4263, 4901, 5439, 6253, 7511, 7917, 8281, 10101, 13949, 14703, 18473, 18759, 22533, 23569, 24843, 34307, 41847, 43771, 52577, 55419, 70707, 97643, 102921, 131313, 157731, 181337, 240149, 292929, 306397, 544011, 683501, 720447, 919191, 1269359, 2050503, 3808077, 8885513, 26656539]

約数ペア:

[(1, 26656539), (3, 8885513), (7, 3808077), (13, 2050503), (21, 1269359), (29, 919191), (37, 720447), (39, 683501), (49, 544011), (87, 306397), (91, 292929), (111, 240149), (147, 181337), (169, 157731), (203, 131313), (259, 102921), (273, 97643), (377, 70707), (481, 55419), (507, 52577), (609, 43771), (637, 41847), (777, 34307), (1073, 24843), (1131, 23569), (1183, 22533), (1421, 18759), (1443, 18473), (1813, 14703), (1911, 13949), (2639, 10101), (3219, 8281), (3367, 7917), (3549, 7511), (4263, 6253), (4901, 5439)]