161392868

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 358017912

約数和(自身を除く): 196625044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 97, 98, 182, 194, 196, 364, 388, 637, 653, 679, 1261, 1274, 1306, 1358, 2522, 2548, 2612, 2716, 4571, 4753, 5044, 8489, 8827, 9142, 9506, 16978, 17654, 18284, 19012, 31997, 33956, 35308, 59423, 61789, 63341, 63994, 118846, 123578, 126682, 127988, 237692, 247156, 253364, 415961, 443387, 823433, 831922, 886774, 1646866, 1663844, 1773548, 3103709, 3293732, 5764031, 6207418, 11528062, 12414836, 23056124, 40348217, 80696434, 161392868]

約数ペア:

[(1, 161392868), (2, 80696434), (4, 40348217), (7, 23056124), (13, 12414836), (14, 11528062), (26, 6207418), (28, 5764031), (49, 3293732), (52, 3103709), (91, 1773548), (97, 1663844), (98, 1646866), (182, 886774), (194, 831922), (196, 823433), (364, 443387), (388, 415961), (637, 253364), (653, 247156), (679, 237692), (1261, 127988), (1274, 126682), (1306, 123578), (1358, 118846), (2522, 63994), (2548, 63341), (2612, 61789), (2716, 59423), (4571, 35308), (4753, 33956), (5044, 31997), (8489, 19012), (8827, 18284), (9142, 17654), (9506, 16978)]