78288968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1049}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 154980000

約数和(自身を除く): 76691032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 491, 982, 1049, 1964, 2098, 3928, 4196, 8392, 9329, 18658, 19931, 37316, 39862, 74632, 79724, 159448, 515059, 1030118, 2060236, 4120472, 9786121, 19572242, 39144484, 78288968]

約数ペア:

[(1, 78288968), (2, 39144484), (4, 19572242), (8, 9786121), (19, 4120472), (38, 2060236), (76, 1030118), (152, 515059), (491, 159448), (982, 79724), (1049, 74632), (1964, 39862), (2098, 37316), (3928, 19931), (4196, 18658), (8392, 9329)]