16780348

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 32240208

約数和(自身を除く): 15459860

約数列:

[1, 2, 4, 13, 26, 52, 103, 169, 206, 241, 338, 412, 482, 676, 964, 1339, 2678, 3133, 5356, 6266, 12532, 17407, 24823, 34814, 40729, 49646, 69628, 81458, 99292, 162916, 322699, 645398, 1290796, 4195087, 8390174, 16780348]

約数ペア:

[(1, 16780348), (2, 8390174), (4, 4195087), (13, 1290796), (26, 645398), (52, 322699), (103, 162916), (169, 99292), (206, 81458), (241, 69628), (338, 49646), (412, 40729), (482, 34814), (676, 24823), (964, 17407), (1339, 12532), (2678, 6266), (3133, 5356)]