216953438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 382026960

約数和(自身を除く): 165073522

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 457, 494, 589, 806, 914, 961, 1178, 1922, 5941, 7657, 8683, 11882, 12493, 14167, 15314, 17366, 18259, 24986, 28334, 36518, 112879, 184171, 225758, 237367, 269173, 368342, 439177, 474734, 538346, 878354, 3499249, 5709301, 6998498, 8344363, 11418602, 16688726, 108476719, 216953438]

約数ペア:

[(1, 216953438), (2, 108476719), (13, 16688726), (19, 11418602), (26, 8344363), (31, 6998498), (38, 5709301), (62, 3499249), (247, 878354), (403, 538346), (457, 474734), (494, 439177), (589, 368342), (806, 269173), (914, 237367), (961, 225758), (1178, 184171), (1922, 112879), (5941, 36518), (7657, 28334), (8683, 24986), (11882, 18259), (12493, 17366), (14167, 15314)]