2638428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1301}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 6671448

約数和(自身を除く): 4033020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 1301, 2028, 2602, 3903, 5204, 7806, 15612, 16913, 33826, 50739, 67652, 101478, 202956, 219869, 439738, 659607, 879476, 1319214, 2638428]

約数ペア:

[(1, 2638428), (2, 1319214), (3, 879476), (4, 659607), (6, 439738), (12, 219869), (13, 202956), (26, 101478), (39, 67652), (52, 50739), (78, 33826), (156, 16913), (169, 15612), (338, 7806), (507, 5204), (676, 3903), (1014, 2602), (1301, 2028)]