217470736

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15289}}^1$

素因数の和:15431

約数の個数: 40

約数和(自身を含む): 485365760

約数和(自身を除く): 267895024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 15289, 30578, 61156, 107023, 122312, 214046, 244624, 428092, 856184, 1712368, 1941703, 3883406, 7766812, 13591921, 15533624, 27183842, 31067248, 54367684, 108735368, 217470736]

約数ペア:

[(1, 217470736), (2, 108735368), (4, 54367684), (7, 31067248), (8, 27183842), (14, 15533624), (16, 13591921), (28, 7766812), (56, 3883406), (112, 1941703), (127, 1712368), (254, 856184), (508, 428092), (889, 244624), (1016, 214046), (1778, 122312), (2032, 107023), (3556, 61156), (7112, 30578), (14224, 15289)]