255820344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{819937}}^1$

素因数の和:819959

約数の個数: 32

約数和(自身を含む): 688747920

約数和(自身を除く): 432927576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 819937, 1639874, 2459811, 3279748, 4919622, 6559496, 9839244, 10659181, 19678488, 21318362, 31977543, 42636724, 63955086, 85273448, 127910172, 255820344]

約数ペア:

[(1, 255820344), (2, 127910172), (3, 85273448), (4, 63955086), (6, 42636724), (8, 31977543), (12, 21318362), (13, 19678488), (24, 10659181), (26, 9839244), (39, 6559496), (52, 4919622), (78, 3279748), (104, 2459811), (156, 1639874), (312, 819937)]