641409328

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{133183}}^1$

素因数の和:133241

約数の個数: 40

約数和(自身を含む): 1453303808

約数和(自身を除く): 811894480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 133183, 266366, 532732, 932281, 1065464, 1864562, 2130928, 3729124, 5726869, 7458248, 11453738, 14916496, 22907476, 40088083, 45814952, 80176166, 91629904, 160352332, 320704664, 641409328]

約数ペア:

[(1, 641409328), (2, 320704664), (4, 160352332), (7, 91629904), (8, 80176166), (14, 45814952), (16, 40088083), (28, 22907476), (43, 14916496), (56, 11453738), (86, 7458248), (112, 5726869), (172, 3729124), (301, 2130928), (344, 1864562), (602, 1065464), (688, 932281), (1204, 532732), (2408, 266366), (4816, 133183)]