212718968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31393}}^1$

素因数の和:31428

約数の個数: 48

約数和(自身を含む): 501048240

約数和(自身を除く): 288329272

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 31393, 62786, 125572, 219751, 251144, 345323, 439502, 690646, 879004, 1381292, 1758008, 2417261, 2762584, 3798553, 4834522, 7597106, 9669044, 15194212, 19338088, 26589871, 30388424, 53179742, 106359484, 212718968]

約数ペア:

[(1, 212718968), (2, 106359484), (4, 53179742), (7, 30388424), (8, 26589871), (11, 19338088), (14, 15194212), (22, 9669044), (28, 7597106), (44, 4834522), (56, 3798553), (77, 2762584), (88, 2417261), (121, 1758008), (154, 1381292), (242, 879004), (308, 690646), (484, 439502), (616, 345323), (847, 251144), (968, 219751), (1694, 125572), (3388, 62786), (6776, 31393)]