68780454938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{253853}}^1$

素因数の和:254498

約数の個数: 32

約数和(自身を含む): 117834965136

約数和(自身を除く): 49054510198

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 613, 1226, 7969, 10421, 15938, 20842, 135473, 253853, 270946, 507706, 3300089, 4315501, 6600178, 8631002, 56101513, 112203026, 155611889, 311223778, 2022954557, 2645402113, 4045909114, 5290804226, 34390227469, 68780454938]

約数ペア:

[(1, 68780454938), (2, 34390227469), (13, 5290804226), (17, 4045909114), (26, 2645402113), (34, 2022954557), (221, 311223778), (442, 155611889), (613, 112203026), (1226, 56101513), (7969, 8631002), (10421, 6600178), (15938, 4315501), (20842, 3300089), (135473, 507706), (253853, 270946)]