31972564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 62782720

約数和(自身を除く): 30810156

約数列:

[1, 2, 4, 13, 26, 43, 52, 79, 86, 158, 172, 181, 316, 362, 559, 724, 1027, 1118, 2054, 2236, 2353, 3397, 4108, 4706, 6794, 7783, 9412, 13588, 14299, 15566, 28598, 31132, 44161, 57196, 88322, 101179, 176644, 185887, 202358, 371774, 404716, 614857, 743548, 1229714, 2459428, 7993141, 15986282, 31972564]

約数ペア:

[(1, 31972564), (2, 15986282), (4, 7993141), (13, 2459428), (26, 1229714), (43, 743548), (52, 614857), (79, 404716), (86, 371774), (158, 202358), (172, 185887), (181, 176644), (316, 101179), (362, 88322), (559, 57196), (724, 44161), (1027, 31132), (1118, 28598), (2054, 15566), (2236, 14299), (2353, 13588), (3397, 9412), (4108, 7783), (4706, 6794)]