207865784

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{86323}}^1$

素因数の和:86379

約数の個数: 32

約数和(自身を含む): 455790720

約数和(自身を除く): 247924936

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 86323, 172646, 345292, 604261, 690584, 1208522, 2417044, 3711889, 4834088, 7423778, 14847556, 25983223, 29695112, 51966446, 103932892, 207865784]

約数ペア:

[(1, 207865784), (2, 103932892), (4, 51966446), (7, 29695112), (8, 25983223), (14, 14847556), (28, 7423778), (43, 4834088), (56, 3711889), (86, 2417044), (172, 1208522), (301, 690584), (344, 604261), (602, 345292), (1204, 172646), (2408, 86323)]