31306996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 35825804

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 476, 623, 739, 1246, 1478, 1513, 2492, 2956, 3026, 5173, 6052, 10346, 10591, 12563, 20692, 21182, 25126, 42364, 50252, 65771, 87941, 131542, 175882, 263084, 351764, 460397, 920794, 1118107, 1841588, 2236214, 4472428, 7826749, 15653498, 31306996]

約数ペア:

[(1, 31306996), (2, 15653498), (4, 7826749), (7, 4472428), (14, 2236214), (17, 1841588), (28, 1118107), (34, 920794), (68, 460397), (89, 351764), (119, 263084), (178, 175882), (238, 131542), (356, 87941), (476, 65771), (623, 50252), (739, 42364), (1246, 25126), (1478, 21182), (1513, 20692), (2492, 12563), (2956, 10591), (3026, 10346), (5173, 6052)]