31391344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3389

約数の個数: 40

約数和(自身を含む): 66106880

約数和(自身を除く): 34715536

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 3331, 4712, 6662, 9424, 13324, 26648, 53296, 63289, 103261, 126578, 206522, 253156, 413044, 506312, 826088, 1012624, 1652176, 1961959, 3923918, 7847836, 15695672, 31391344]

約数ペア:

[(1, 31391344), (2, 15695672), (4, 7847836), (8, 3923918), (16, 1961959), (19, 1652176), (31, 1012624), (38, 826088), (62, 506312), (76, 413044), (124, 253156), (152, 206522), (248, 126578), (304, 103261), (496, 63289), (589, 53296), (1178, 26648), (2356, 13324), (3331, 9424), (4712, 6662)]