281156538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 622927872

約数和(自身を除く): 341771334

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 271, 282, 283, 542, 566, 611, 813, 849, 1222, 1626, 1698, 1833, 3523, 3666, 3679, 7046, 7358, 10569, 11037, 12737, 13301, 21138, 22074, 25474, 26602, 38211, 39903, 76422, 76693, 79806, 153386, 165581, 172913, 230079, 331162, 345826, 460158, 496743, 518739, 993486, 997009, 1037478, 1994018, 2991027, 3604571, 5982054, 7209142, 10813713, 21627426, 46859423, 93718846, 140578269, 281156538]

約数ペア:

[(1, 281156538), (2, 140578269), (3, 93718846), (6, 46859423), (13, 21627426), (26, 10813713), (39, 7209142), (47, 5982054), (78, 3604571), (94, 2991027), (141, 1994018), (271, 1037478), (282, 997009), (283, 993486), (542, 518739), (566, 496743), (611, 460158), (813, 345826), (849, 331162), (1222, 230079), (1626, 172913), (1698, 165581), (1833, 153386), (3523, 79806), (3666, 76693), (3679, 76422), (7046, 39903), (7358, 38211), (10569, 26602), (11037, 25474), (12737, 22074), (13301, 21138)]