220193778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 517091328

約数和(自身を除く): 296897550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 331, 337, 658, 662, 674, 987, 993, 1011, 1974, 1986, 2022, 2317, 2359, 4634, 4718, 6951, 7077, 13902, 14154, 15557, 15839, 31114, 31678, 46671, 47517, 93342, 95034, 108899, 110873, 111547, 217798, 221746, 223094, 326697, 332619, 334641, 653394, 665238, 669282, 780829, 1561658, 2342487, 4684974, 5242709, 10485418, 15728127, 31456254, 36698963, 73397926, 110096889, 220193778]

約数ペア:

[(1, 220193778), (2, 110096889), (3, 73397926), (6, 36698963), (7, 31456254), (14, 15728127), (21, 10485418), (42, 5242709), (47, 4684974), (94, 2342487), (141, 1561658), (282, 780829), (329, 669282), (331, 665238), (337, 653394), (658, 334641), (662, 332619), (674, 326697), (987, 223094), (993, 221746), (1011, 217798), (1974, 111547), (1986, 110873), (2022, 108899), (2317, 95034), (2359, 93342), (4634, 47517), (4718, 46671), (6951, 31678), (7077, 31114), (13902, 15839), (14154, 15557)]