199384770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{511243}}^1$

素因数の和:511266

約数の個数: 32

約数和(自身を含む): 515333952

約数和(自身を除く): 315949182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 511243, 1022486, 1533729, 2556215, 3067458, 5112430, 6646159, 7668645, 13292318, 15337290, 19938477, 33230795, 39876954, 66461590, 99692385, 199384770]

約数ペア:

[(1, 199384770), (2, 99692385), (3, 66461590), (5, 39876954), (6, 33230795), (10, 19938477), (13, 15337290), (15, 13292318), (26, 7668645), (30, 6646159), (39, 5112430), (65, 3067458), (78, 2556215), (130, 1533729), (195, 1022486), (390, 511243)]