165742460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637471}}^1$

素因数の和:637493

約数の個数: 24

約数和(自身を含む): 374833536

約数和(自身を除く): 209091076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 637471, 1274942, 2549884, 3187355, 6374710, 8287123, 12749420, 16574246, 33148492, 41435615, 82871230, 165742460]

約数ペア:

[(1, 165742460), (2, 82871230), (4, 41435615), (5, 33148492), (10, 16574246), (13, 12749420), (20, 8287123), (26, 6374710), (52, 3187355), (65, 2549884), (130, 1274942), (260, 637471)]