253194630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{649217}}^1$

素因数の和:649240

約数の個数: 32

約数和(自身を含む): 654411744

約数和(自身を除く): 401217114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 649217, 1298434, 1947651, 3246085, 3895302, 6492170, 8439821, 9738255, 16879642, 19476510, 25319463, 42199105, 50638926, 84398210, 126597315, 253194630]

約数ペア:

[(1, 253194630), (2, 126597315), (3, 84398210), (5, 50638926), (6, 42199105), (10, 25319463), (13, 19476510), (15, 16879642), (26, 9738255), (30, 8439821), (39, 6492170), (65, 3895302), (78, 3246085), (130, 1947651), (195, 1298434), (390, 649217)]