81096990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207941}}^1$

素因数の和:207964

約数の個数: 32

約数和(自身を含む): 209605536

約数和(自身を除く): 128508546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207941, 415882, 623823, 1039705, 1247646, 2079410, 2703233, 3119115, 5406466, 6238230, 8109699, 13516165, 16219398, 27032330, 40548495, 81096990]

約数ペア:

[(1, 81096990), (2, 40548495), (3, 27032330), (5, 16219398), (6, 13516165), (10, 8109699), (13, 6238230), (15, 5406466), (26, 3119115), (30, 2703233), (39, 2079410), (65, 1247646), (78, 1039705), (130, 623823), (195, 415882), (390, 207941)]