215770156

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1697}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 456422400

約数和(自身を除く): 240652244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 239, 266, 478, 532, 956, 1673, 1697, 3346, 3394, 4541, 6692, 6788, 9082, 11879, 18164, 23758, 31787, 32243, 47516, 63574, 64486, 127148, 128972, 225701, 405583, 451402, 811166, 902804, 1622332, 2839081, 5678162, 7706077, 11356324, 15412154, 30824308, 53942539, 107885078, 215770156]

約数ペア:

[(1, 215770156), (2, 107885078), (4, 53942539), (7, 30824308), (14, 15412154), (19, 11356324), (28, 7706077), (38, 5678162), (76, 2839081), (133, 1622332), (239, 902804), (266, 811166), (478, 451402), (532, 405583), (956, 225701), (1673, 128972), (1697, 127148), (3346, 64486), (3394, 63574), (4541, 47516), (6692, 32243), (6788, 31787), (9082, 23758), (11879, 18164)]