16291890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1153}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 42665688

約数和(自身を除く): 26373798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1153, 1413, 1570, 2306, 2355, 2826, 3459, 4710, 5765, 6918, 7065, 10377, 11530, 14130, 17295, 20754, 34590, 51885, 103770, 181021, 362042, 543063, 905105, 1086126, 1629189, 1810210, 2715315, 3258378, 5430630, 8145945, 16291890]

約数ペア:

[(1, 16291890), (2, 8145945), (3, 5430630), (5, 3258378), (6, 2715315), (9, 1810210), (10, 1629189), (15, 1086126), (18, 905105), (30, 543063), (45, 362042), (90, 181021), (157, 103770), (314, 51885), (471, 34590), (785, 20754), (942, 17295), (1153, 14130), (1413, 11530), (1570, 10377), (2306, 7065), (2355, 6918), (2826, 5765), (3459, 4710)]