208671918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7211}}^1$

素因数の和:7289

約数の個数: 64

約数和(自身を含む): 523418112

約数和(自身を除く): 314746194

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 7211, 9646, 14422, 14469, 21633, 28938, 43266, 50477, 93743, 100954, 151431, 187486, 281229, 302862, 382183, 562458, 656201, 764366, 1146549, 1312402, 1968603, 2293098, 2675281, 3937206, 4968379, 5350562, 8025843, 9936758, 14905137, 16051686, 29810274, 34778653, 69557306, 104335959, 208671918]

約数ペア:

[(1, 208671918), (2, 104335959), (3, 69557306), (6, 34778653), (7, 29810274), (13, 16051686), (14, 14905137), (21, 9936758), (26, 8025843), (39, 5350562), (42, 4968379), (53, 3937206), (78, 2675281), (91, 2293098), (106, 1968603), (159, 1312402), (182, 1146549), (273, 764366), (318, 656201), (371, 562458), (546, 382183), (689, 302862), (742, 281229), (1113, 187486), (1378, 151431), (2067, 100954), (2226, 93743), (4134, 50477), (4823, 43266), (7211, 28938), (9646, 21633), (14422, 14469)]