319890604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{17863}}^1$

素因数の和:17926

約数の個数: 36

約数和(自身を含む): 631992592

約数和(自身を除く): 312101988

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1628, 4477, 8954, 17863, 17908, 35726, 71452, 196493, 392986, 660931, 785972, 1321862, 2161423, 2643724, 4322846, 7270241, 8645692, 14540482, 29080964, 79972651, 159945302, 319890604]

約数ペア:

[(1, 319890604), (2, 159945302), (4, 79972651), (11, 29080964), (22, 14540482), (37, 8645692), (44, 7270241), (74, 4322846), (121, 2643724), (148, 2161423), (242, 1321862), (407, 785972), (484, 660931), (814, 392986), (1628, 196493), (4477, 71452), (8954, 35726), (17863, 17908)]