28608970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 57554280

約数和(自身を除く): 28945310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 229, 310, 403, 458, 806, 961, 1145, 1922, 2015, 2290, 2977, 4030, 4805, 5954, 7099, 9610, 12493, 14198, 14885, 24986, 29770, 35495, 62465, 70990, 92287, 124930, 184574, 220069, 440138, 461435, 922870, 1100345, 2200690, 2860897, 5721794, 14304485, 28608970]

約数ペア:

[(1, 28608970), (2, 14304485), (5, 5721794), (10, 2860897), (13, 2200690), (26, 1100345), (31, 922870), (62, 461435), (65, 440138), (130, 220069), (155, 184574), (229, 124930), (310, 92287), (403, 70990), (458, 62465), (806, 35495), (961, 29770), (1145, 24986), (1922, 14885), (2015, 14198), (2290, 12493), (2977, 9610), (4030, 7099), (4805, 5954)]