218816892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1783}}^1$

素因数の和:2287

約数の個数: 72

約数和(自身を含む): 633790976

約数和(自身を除く): 414974084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 487, 974, 1461, 1783, 1948, 2922, 3409, 3566, 4383, 5349, 5844, 6818, 7132, 8766, 10227, 10698, 12481, 13636, 16047, 17532, 20454, 21396, 24962, 30681, 32094, 37443, 40908, 49924, 61362, 64188, 74886, 112329, 122724, 149772, 224658, 449316, 868321, 1736642, 2604963, 3473284, 5209926, 6078247, 7814889, 10419852, 12156494, 15629778, 18234741, 24312988, 31259556, 36469482, 54704223, 72938964, 109408446, 218816892]

約数ペア:

[(1, 218816892), (2, 109408446), (3, 72938964), (4, 54704223), (6, 36469482), (7, 31259556), (9, 24312988), (12, 18234741), (14, 15629778), (18, 12156494), (21, 10419852), (28, 7814889), (36, 6078247), (42, 5209926), (63, 3473284), (84, 2604963), (126, 1736642), (252, 868321), (487, 449316), (974, 224658), (1461, 149772), (1783, 122724), (1948, 112329), (2922, 74886), (3409, 64188), (3566, 61362), (4383, 49924), (5349, 40908), (5844, 37443), (6818, 32094), (7132, 30681), (8766, 24962), (10227, 21396), (10698, 20454), (12481, 17532), (13636, 16047)]