28667730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10501}}^1$

素因数の和:10531

約数の個数: 64

約数和(自身を含む): 84688128

約数和(自身を除く): 56020398

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 10501, 21002, 31503, 52505, 63006, 73507, 105010, 136513, 147014, 157515, 220521, 273026, 315030, 367535, 409539, 441042, 682565, 735070, 819078, 955591, 1102605, 1365130, 1911182, 2047695, 2205210, 2866773, 4095390, 4777955, 5733546, 9555910, 14333865, 28667730]

約数ペア:

[(1, 28667730), (2, 14333865), (3, 9555910), (5, 5733546), (6, 4777955), (7, 4095390), (10, 2866773), (13, 2205210), (14, 2047695), (15, 1911182), (21, 1365130), (26, 1102605), (30, 955591), (35, 819078), (39, 735070), (42, 682565), (65, 441042), (70, 409539), (78, 367535), (91, 315030), (105, 273026), (130, 220521), (182, 157515), (195, 147014), (210, 136513), (273, 105010), (390, 73507), (455, 63006), (546, 52505), (910, 31503), (1365, 21002), (2730, 10501)]