31223478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 74156544

約数和(自身を除く): 42933066

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 151, 241, 286, 302, 429, 453, 482, 723, 858, 906, 1446, 1661, 1963, 2651, 3133, 3322, 3926, 4983, 5302, 5889, 6266, 7953, 9399, 9966, 11778, 15906, 18798, 21593, 34463, 36391, 43186, 64779, 68926, 72782, 103389, 109173, 129558, 206778, 218346, 400301, 473083, 800602, 946166, 1200903, 1419249, 2401806, 2838498, 5203913, 10407826, 15611739, 31223478]

約数ペア:

[(1, 31223478), (2, 15611739), (3, 10407826), (6, 5203913), (11, 2838498), (13, 2401806), (22, 1419249), (26, 1200903), (33, 946166), (39, 800602), (66, 473083), (78, 400301), (143, 218346), (151, 206778), (241, 129558), (286, 109173), (302, 103389), (429, 72782), (453, 68926), (482, 64779), (723, 43186), (858, 36391), (906, 34463), (1446, 21593), (1661, 18798), (1963, 15906), (2651, 11778), (3133, 9966), (3322, 9399), (3926, 7953), (4983, 6266), (5302, 5889)]