128547464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20627}}^1$

素因数の和:20693

約数の個数: 32

約数和(自身を含む): 259912800

約数和(自身を除く): 131365336

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 20627, 41254, 82508, 165016, 391913, 783826, 845707, 1567652, 1691414, 3135304, 3382828, 6765656, 16068433, 32136866, 64273732, 128547464]

約数ペア:

[(1, 128547464), (2, 64273732), (4, 32136866), (8, 16068433), (19, 6765656), (38, 3382828), (41, 3135304), (76, 1691414), (82, 1567652), (152, 845707), (164, 783826), (328, 391913), (779, 165016), (1558, 82508), (3116, 41254), (6232, 20627)]