71989424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20359}}^1$

素因数の和:20397

約数の個数: 40

約数和(自身を含む): 159052320

約数和(自身を除く): 87062896

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20359, 40718, 81436, 162872, 264667, 325744, 346103, 529334, 692206, 1058668, 1384412, 2117336, 2768824, 4234672, 4499339, 5537648, 8998678, 17997356, 35994712, 71989424]

約数ペア:

[(1, 71989424), (2, 35994712), (4, 17997356), (8, 8998678), (13, 5537648), (16, 4499339), (17, 4234672), (26, 2768824), (34, 2117336), (52, 1384412), (68, 1058668), (104, 692206), (136, 529334), (208, 346103), (221, 325744), (272, 264667), (442, 162872), (884, 81436), (1768, 40718), (3536, 20359)]