1821652

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2170028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 89, 119, 172, 178, 238, 301, 356, 476, 602, 623, 731, 1204, 1246, 1462, 1513, 2492, 2924, 3026, 3827, 5117, 6052, 7654, 10234, 10591, 15308, 20468, 21182, 26789, 42364, 53578, 65059, 107156, 130118, 260236, 455413, 910826, 1821652]

約数ペア:

[(1, 1821652), (2, 910826), (4, 455413), (7, 260236), (14, 130118), (17, 107156), (28, 65059), (34, 53578), (43, 42364), (68, 26789), (86, 21182), (89, 20468), (119, 15308), (172, 10591), (178, 10234), (238, 7654), (301, 6052), (356, 5117), (476, 3827), (602, 3026), (623, 2924), (731, 2492), (1204, 1513), (1246, 1462)]