81101670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207953}}^1$

素因数の和:207976

約数の個数: 32

約数和(自身を含む): 209617632

約数和(自身を除く): 128515962

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207953, 415906, 623859, 1039765, 1247718, 2079530, 2703389, 3119295, 5406778, 6238590, 8110167, 13516945, 16220334, 27033890, 40550835, 81101670]

約数ペア:

[(1, 81101670), (2, 40550835), (3, 27033890), (5, 16220334), (6, 13516945), (10, 8110167), (13, 6238590), (15, 5406778), (26, 3119295), (30, 2703389), (39, 2079530), (65, 1247718), (78, 1039765), (130, 623859), (195, 415906), (390, 207953)]