7997238

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 19077120

約数和(自身を除く): 11079882

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 47, 54, 69, 94, 137, 138, 141, 207, 274, 282, 411, 414, 423, 621, 822, 846, 1081, 1233, 1242, 1269, 2162, 2466, 2538, 3151, 3243, 3699, 6302, 6439, 6486, 7398, 9453, 9729, 12878, 18906, 19317, 19458, 28359, 29187, 38634, 56718, 57951, 58374, 85077, 115902, 148097, 170154, 173853, 296194, 347706, 444291, 888582, 1332873, 2665746, 3998619, 7997238]

約数ペア:

[(1, 7997238), (2, 3998619), (3, 2665746), (6, 1332873), (9, 888582), (18, 444291), (23, 347706), (27, 296194), (46, 173853), (47, 170154), (54, 148097), (69, 115902), (94, 85077), (137, 58374), (138, 57951), (141, 56718), (207, 38634), (274, 29187), (282, 28359), (411, 19458), (414, 19317), (423, 18906), (621, 12878), (822, 9729), (846, 9453), (1081, 7398), (1233, 6486), (1242, 6439), (1269, 6302), (2162, 3699), (2466, 3243), (2538, 3151)]