219889076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4357}}^1$

素因数の和:4440

約数の個数: 48

約数和(自身を含む): 445143552

約数和(自身を除く): 225254476

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 148, 341, 407, 682, 814, 1147, 1364, 1628, 2294, 4357, 4588, 8714, 12617, 17428, 25234, 47927, 50468, 95854, 135067, 161209, 191708, 270134, 322418, 540268, 644836, 1485737, 1773299, 2971474, 3546598, 4997479, 5942948, 7093196, 9994958, 19989916, 54972269, 109944538, 219889076]

約数ペア:

[(1, 219889076), (2, 109944538), (4, 54972269), (11, 19989916), (22, 9994958), (31, 7093196), (37, 5942948), (44, 4997479), (62, 3546598), (74, 2971474), (124, 1773299), (148, 1485737), (341, 644836), (407, 540268), (682, 322418), (814, 270134), (1147, 191708), (1364, 161209), (1628, 135067), (2294, 95854), (4357, 50468), (4588, 47927), (8714, 25234), (12617, 17428)]