27798568

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 34870232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 67, 124, 134, 217, 239, 248, 268, 434, 469, 478, 536, 868, 938, 956, 1673, 1736, 1876, 1912, 2077, 3346, 3752, 4154, 6692, 7409, 8308, 13384, 14539, 14818, 16013, 16616, 29078, 29636, 32026, 51863, 58156, 59272, 64052, 103726, 112091, 116312, 128104, 207452, 224182, 414904, 448364, 496403, 896728, 992806, 1985612, 3474821, 3971224, 6949642, 13899284, 27798568]

約数ペア:

[(1, 27798568), (2, 13899284), (4, 6949642), (7, 3971224), (8, 3474821), (14, 1985612), (28, 992806), (31, 896728), (56, 496403), (62, 448364), (67, 414904), (124, 224182), (134, 207452), (217, 128104), (239, 116312), (248, 112091), (268, 103726), (434, 64052), (469, 59272), (478, 58156), (536, 51863), (868, 32026), (938, 29636), (956, 29078), (1673, 16616), (1736, 16013), (1876, 14818), (1912, 14539), (2077, 13384), (3346, 8308), (3752, 7409), (4154, 6692)]