820668432

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{216421}}^1$

素因数の和:216511

約数の個数: 40

約数和(自身を含む): 2146906240

約数和(自身を除く): 1326237808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 216421, 432842, 649263, 865684, 1298526, 1731368, 2597052, 3462736, 5194104, 10388208, 17097259, 34194518, 51291777, 68389036, 102583554, 136778072, 205167108, 273556144, 410334216, 820668432]

約数ペア:

[(1, 820668432), (2, 410334216), (3, 273556144), (4, 205167108), (6, 136778072), (8, 102583554), (12, 68389036), (16, 51291777), (24, 34194518), (48, 17097259), (79, 10388208), (158, 5194104), (237, 3462736), (316, 2597052), (474, 1731368), (632, 1298526), (948, 865684), (1264, 649263), (1896, 432842), (3792, 216421)]