217617876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12889}}^1$

素因数の和:12973

約数の個数: 72

約数和(自身を含む): 638106560

約数和(自身を除く): 420488684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1407, 1876, 2412, 2814, 4221, 5628, 8442, 12889, 16884, 25778, 38667, 51556, 77334, 90223, 116001, 154668, 180446, 232002, 270669, 360892, 464004, 541338, 812007, 863563, 1082676, 1624014, 1727126, 2590689, 3248028, 3454252, 5181378, 6044941, 7772067, 10362756, 12089882, 15544134, 18134823, 24179764, 31088268, 36269646, 54404469, 72539292, 108808938, 217617876]

約数ペア:

[(1, 217617876), (2, 108808938), (3, 72539292), (4, 54404469), (6, 36269646), (7, 31088268), (9, 24179764), (12, 18134823), (14, 15544134), (18, 12089882), (21, 10362756), (28, 7772067), (36, 6044941), (42, 5181378), (63, 3454252), (67, 3248028), (84, 2590689), (126, 1727126), (134, 1624014), (201, 1082676), (252, 863563), (268, 812007), (402, 541338), (469, 464004), (603, 360892), (804, 270669), (938, 232002), (1206, 180446), (1407, 154668), (1876, 116001), (2412, 90223), (2814, 77334), (4221, 51556), (5628, 38667), (8442, 25778), (12889, 16884)]