216664868

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{2357}}^1$

素因数の和:2449

約数の個数: 48

約数和(自身を含む): 448963200

約数和(自身を除く): 232298332

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 343, 469, 686, 938, 1372, 1876, 2357, 3283, 4714, 6566, 9428, 13132, 16499, 22981, 32998, 45962, 65996, 91924, 115493, 157919, 230986, 315838, 461972, 631676, 808451, 1105433, 1616902, 2210866, 3233804, 4421732, 7738031, 15476062, 30952124, 54166217, 108332434, 216664868]

約数ペア:

[(1, 216664868), (2, 108332434), (4, 54166217), (7, 30952124), (14, 15476062), (28, 7738031), (49, 4421732), (67, 3233804), (98, 2210866), (134, 1616902), (196, 1105433), (268, 808451), (343, 631676), (469, 461972), (686, 315838), (938, 230986), (1372, 157919), (1876, 115493), (2357, 91924), (3283, 65996), (4714, 45962), (6566, 32998), (9428, 22981), (13132, 16499)]