77881830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199697}}^1$

素因数の和:199720

約数の個数: 32

約数和(自身を含む): 201295584

約数和(自身を除く): 123413754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 199697, 399394, 599091, 998485, 1198182, 1996970, 2596061, 2995455, 5192122, 5990910, 7788183, 12980305, 15576366, 25960610, 38940915, 77881830]

約数ペア:

[(1, 77881830), (2, 38940915), (3, 25960610), (5, 15576366), (6, 12980305), (10, 7788183), (13, 5990910), (15, 5192122), (26, 2995455), (30, 2596061), (39, 1996970), (65, 1198182), (78, 998485), (130, 599091), (195, 399394), (390, 199697)]