138840904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53731}}^1$

素因数の和:53773

約数の個数: 32

約数和(自身を含む): 290152800

約数和(自身を除く): 151311896

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 53731, 107462, 214924, 429848, 913427, 1020889, 1826854, 2041778, 3653708, 4083556, 7307416, 8167112, 17355113, 34710226, 69420452, 138840904]

約数ペア:

[(1, 138840904), (2, 69420452), (4, 34710226), (8, 17355113), (17, 8167112), (19, 7307416), (34, 4083556), (38, 3653708), (68, 2041778), (76, 1826854), (136, 1020889), (152, 913427), (323, 429848), (646, 214924), (1292, 107462), (2584, 53731)]