218555892

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2429

約数の個数: 72

約数和(自身を含む): 575632512

約数和(自身を除く): 357076620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 333, 426, 444, 639, 666, 852, 1278, 1332, 2311, 2556, 2627, 4622, 5254, 6933, 7881, 9244, 10508, 13866, 15762, 20799, 23643, 27732, 31524, 41598, 47286, 83196, 85507, 94572, 164081, 171014, 256521, 328162, 342028, 492243, 513042, 656324, 769563, 984486, 1026084, 1476729, 1539126, 1968972, 2953458, 3078252, 5906916, 6070997, 12141994, 18212991, 24283988, 36425982, 54638973, 72851964, 109277946, 218555892]

約数ペア:

[(1, 218555892), (2, 109277946), (3, 72851964), (4, 54638973), (6, 36425982), (9, 24283988), (12, 18212991), (18, 12141994), (36, 6070997), (37, 5906916), (71, 3078252), (74, 2953458), (111, 1968972), (142, 1539126), (148, 1476729), (213, 1026084), (222, 984486), (284, 769563), (333, 656324), (426, 513042), (444, 492243), (639, 342028), (666, 328162), (852, 256521), (1278, 171014), (1332, 164081), (2311, 94572), (2556, 85507), (2627, 83196), (4622, 47286), (5254, 41598), (6933, 31524), (7881, 27732), (9244, 23643), (10508, 20799), (13866, 15762)]