131357226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21907

約数の個数: 64

約数和(自身を含む): 352751616

約数和(自身を除く): 221394390

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 6006, 21871, 43742, 65613, 131226, 153097, 240581, 284323, 306194, 459291, 481162, 568646, 721743, 852969, 918582, 1443486, 1684067, 1705938, 1990261, 3127553, 3368134, 3980522, 5052201, 5970783, 6255106, 9382659, 10104402, 11941566, 18765318, 21892871, 43785742, 65678613, 131357226]

約数ペア:

[(1, 131357226), (2, 65678613), (3, 43785742), (6, 21892871), (7, 18765318), (11, 11941566), (13, 10104402), (14, 9382659), (21, 6255106), (22, 5970783), (26, 5052201), (33, 3980522), (39, 3368134), (42, 3127553), (66, 1990261), (77, 1705938), (78, 1684067), (91, 1443486), (143, 918582), (154, 852969), (182, 721743), (231, 568646), (273, 481162), (286, 459291), (429, 306194), (462, 284323), (546, 240581), (858, 153097), (1001, 131226), (2002, 65613), (3003, 43742), (6006, 21871)]