31681364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 65921856

約数和(自身を除く): 34240492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 97, 143, 194, 286, 388, 571, 572, 1067, 1142, 1261, 2134, 2284, 2522, 4268, 5044, 6281, 7423, 12562, 13871, 14846, 25124, 27742, 29692, 55387, 55484, 81653, 110774, 163306, 221548, 326612, 609257, 720031, 1218514, 1440062, 2437028, 2880124, 7920341, 15840682, 31681364]

約数ペア:

[(1, 31681364), (2, 15840682), (4, 7920341), (11, 2880124), (13, 2437028), (22, 1440062), (26, 1218514), (44, 720031), (52, 609257), (97, 326612), (143, 221548), (194, 163306), (286, 110774), (388, 81653), (571, 55484), (572, 55387), (1067, 29692), (1142, 27742), (1261, 25124), (2134, 14846), (2284, 13871), (2522, 12562), (4268, 7423), (5044, 6281)]