208090188

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{21649}}^1$

素因数の和:21751

約数の個数: 48

約数和(自身を含む): 545580000

約数和(自身を除く): 337489812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 9612, 21649, 43298, 64947, 86596, 129894, 194841, 259788, 389682, 584523, 779364, 1169046, 1926761, 2338092, 3853522, 5780283, 7707044, 11560566, 17340849, 23121132, 34681698, 52022547, 69363396, 104045094, 208090188]

約数ペア:

[(1, 208090188), (2, 104045094), (3, 69363396), (4, 52022547), (6, 34681698), (9, 23121132), (12, 17340849), (18, 11560566), (27, 7707044), (36, 5780283), (54, 3853522), (89, 2338092), (108, 1926761), (178, 1169046), (267, 779364), (356, 584523), (534, 389682), (801, 259788), (1068, 194841), (1602, 129894), (2403, 86596), (3204, 64947), (4806, 43298), (9612, 21649)]