78910188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2003}}^1$

素因数の和:2091

約数の個数: 72

約数和(自身を含む): 217490112

約数和(自身を除く): 138579924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2003, 2814, 3283, 4006, 5628, 6009, 6566, 8012, 9849, 12018, 13132, 14021, 19698, 24036, 28042, 39396, 42063, 56084, 84126, 98147, 134201, 168252, 196294, 268402, 294441, 392588, 402603, 536804, 588882, 805206, 939407, 1177764, 1610412, 1878814, 2818221, 3757628, 5636442, 6575849, 11272884, 13151698, 19727547, 26303396, 39455094, 78910188]

約数ペア:

[(1, 78910188), (2, 39455094), (3, 26303396), (4, 19727547), (6, 13151698), (7, 11272884), (12, 6575849), (14, 5636442), (21, 3757628), (28, 2818221), (42, 1878814), (49, 1610412), (67, 1177764), (84, 939407), (98, 805206), (134, 588882), (147, 536804), (196, 402603), (201, 392588), (268, 294441), (294, 268402), (402, 196294), (469, 168252), (588, 134201), (804, 98147), (938, 84126), (1407, 56084), (1876, 42063), (2003, 39396), (2814, 28042), (3283, 24036), (4006, 19698), (5628, 14021), (6009, 13132), (6566, 12018), (8012, 9849)]