215329348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 422356480

約数和(自身を除く): 207027132

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 139, 278, 403, 556, 806, 961, 1612, 1807, 1922, 3614, 3844, 4309, 7228, 8618, 12493, 17236, 24986, 29791, 49972, 56017, 59582, 112034, 119164, 133579, 224068, 267158, 387283, 534316, 774566, 1549132, 1736527, 3473054, 4140949, 6946108, 8281898, 16563796, 53832337, 107664674, 215329348]

約数ペア:

[(1, 215329348), (2, 107664674), (4, 53832337), (13, 16563796), (26, 8281898), (31, 6946108), (52, 4140949), (62, 3473054), (124, 1736527), (139, 1549132), (278, 774566), (403, 534316), (556, 387283), (806, 267158), (961, 224068), (1612, 133579), (1807, 119164), (1922, 112034), (3614, 59582), (3844, 56017), (4309, 49972), (7228, 29791), (8618, 24986), (12493, 17236)]