31312708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 35578172

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 157, 238, 314, 419, 476, 628, 838, 1099, 1676, 2198, 2669, 2933, 4396, 5338, 5866, 7123, 10676, 11732, 14246, 18683, 28492, 37366, 49861, 65783, 74732, 99722, 131566, 199444, 263132, 460481, 920962, 1118311, 1841924, 2236622, 4473244, 7828177, 15656354, 31312708]

約数ペア:

[(1, 31312708), (2, 15656354), (4, 7828177), (7, 4473244), (14, 2236622), (17, 1841924), (28, 1118311), (34, 920962), (68, 460481), (119, 263132), (157, 199444), (238, 131566), (314, 99722), (419, 74732), (476, 65783), (628, 49861), (838, 37366), (1099, 28492), (1676, 18683), (2198, 14246), (2669, 11732), (2933, 10676), (4396, 7123), (5338, 5866)]