438156688

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{199889}}^1$

素因数の和:200034

約数の個数: 20

約数和(自身を含む): 855129420

約数和(自身を除く): 416972732

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 199889, 399778, 799556, 1599112, 3198224, 27384793, 54769586, 109539172, 219078344, 438156688]

約数ペア:

[(1, 438156688), (2, 219078344), (4, 109539172), (8, 54769586), (16, 27384793), (137, 3198224), (274, 1599112), (548, 799556), (1096, 399778), (2192, 199889)]