31720836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 87396960

約数和(自身を除く): 55676124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 511, 588, 739, 876, 1022, 1478, 1533, 2044, 2217, 2956, 3066, 3577, 4434, 5173, 6132, 7154, 8868, 10346, 10731, 14308, 15519, 20692, 21462, 31038, 36211, 42924, 53947, 62076, 72422, 107894, 108633, 144844, 161841, 215788, 217266, 323682, 377629, 434532, 647364, 755258, 1132887, 1510516, 2265774, 2643403, 4531548, 5286806, 7930209, 10573612, 15860418, 31720836]

約数ペア:

[(1, 31720836), (2, 15860418), (3, 10573612), (4, 7930209), (6, 5286806), (7, 4531548), (12, 2643403), (14, 2265774), (21, 1510516), (28, 1132887), (42, 755258), (49, 647364), (73, 434532), (84, 377629), (98, 323682), (146, 217266), (147, 215788), (196, 161841), (219, 144844), (292, 108633), (294, 107894), (438, 72422), (511, 62076), (588, 53947), (739, 42924), (876, 36211), (1022, 31038), (1478, 21462), (1533, 20692), (2044, 15519), (2217, 14308), (2956, 10731), (3066, 10346), (3577, 8868), (4434, 7154), (5173, 6132)]