25640388

素因数分解:

$2^2\times 3^8\times {\mathrm{977}}^1$

素因数の和:1005

約数の個数: 54

約数和(自身を含む): 67371486

約数和(自身を除く): 41731098

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 977, 1458, 1954, 2187, 2916, 2931, 3908, 4374, 5862, 6561, 8748, 8793, 11724, 13122, 17586, 26244, 26379, 35172, 52758, 79137, 105516, 158274, 237411, 316548, 474822, 712233, 949644, 1424466, 2136699, 2848932, 4273398, 6410097, 8546796, 12820194, 25640388]

約数ペア:

[(1, 25640388), (2, 12820194), (3, 8546796), (4, 6410097), (6, 4273398), (9, 2848932), (12, 2136699), (18, 1424466), (27, 949644), (36, 712233), (54, 474822), (81, 316548), (108, 237411), (162, 158274), (243, 105516), (324, 79137), (486, 52758), (729, 35172), (972, 26379), (977, 26244), (1458, 17586), (1954, 13122), (2187, 11724), (2916, 8793), (2931, 8748), (3908, 6561), (4374, 5862)]