28544285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 43075584

約数和(自身を除く): 14531299

約数列:

[1, 5, 7, 11, 35, 55, 77, 151, 385, 491, 755, 1057, 1661, 2455, 3437, 5285, 5401, 8305, 11627, 17185, 27005, 37807, 58135, 74141, 189035, 370705, 518987, 815551, 2594935, 4077755, 5708857, 28544285]

約数ペア:

[(1, 28544285), (5, 5708857), (7, 4077755), (11, 2594935), (35, 815551), (55, 518987), (77, 370705), (151, 189035), (385, 74141), (491, 58135), (755, 37807), (1057, 27005), (1661, 17185), (2455, 11627), (3437, 8305), (5285, 5401)]