66381328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18773}}^1$

素因数の和:18811

約数の個数: 40

約数和(自身を含む): 146662488

約数和(自身を除く): 80281160

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 18773, 37546, 75092, 150184, 244049, 300368, 319141, 488098, 638282, 976196, 1276564, 1952392, 2553128, 3904784, 4148833, 5106256, 8297666, 16595332, 33190664, 66381328]

約数ペア:

[(1, 66381328), (2, 33190664), (4, 16595332), (8, 8297666), (13, 5106256), (16, 4148833), (17, 3904784), (26, 2553128), (34, 1952392), (52, 1276564), (68, 976196), (104, 638282), (136, 488098), (208, 319141), (221, 300368), (272, 244049), (442, 150184), (884, 75092), (1768, 37546), (3536, 18773)]