64428572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72883}}^1$

素因数の和:72917

約数の個数: 24

約数和(自身を含む): 128567376

約数和(自身を除く): 64138804

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 72883, 145766, 291532, 947479, 1239011, 1894958, 2478022, 3789916, 4956044, 16107143, 32214286, 64428572]

約数ペア:

[(1, 64428572), (2, 32214286), (4, 16107143), (13, 4956044), (17, 3789916), (26, 2478022), (34, 1894958), (52, 1239011), (68, 947479), (221, 291532), (442, 145766), (884, 72883)]