209906172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{8087}}^1$

素因数の和:8207

約数の個数: 72

約数和(自身を含む): 612358656

約数和(自身を除く): 402452484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2163, 2884, 3708, 4326, 6489, 8087, 8652, 12978, 16174, 24261, 25956, 32348, 48522, 56609, 72783, 97044, 113218, 145566, 169827, 226436, 291132, 339654, 509481, 679308, 832961, 1018962, 1665922, 2037924, 2498883, 3331844, 4997766, 5830727, 7496649, 9995532, 11661454, 14993298, 17492181, 23322908, 29986596, 34984362, 52476543, 69968724, 104953086, 209906172]

約数ペア:

[(1, 209906172), (2, 104953086), (3, 69968724), (4, 52476543), (6, 34984362), (7, 29986596), (9, 23322908), (12, 17492181), (14, 14993298), (18, 11661454), (21, 9995532), (28, 7496649), (36, 5830727), (42, 4997766), (63, 3331844), (84, 2498883), (103, 2037924), (126, 1665922), (206, 1018962), (252, 832961), (309, 679308), (412, 509481), (618, 339654), (721, 291132), (927, 226436), (1236, 169827), (1442, 145566), (1854, 113218), (2163, 97044), (2884, 72783), (3708, 56609), (4326, 48522), (6489, 32348), (8087, 25956), (8652, 24261), (12978, 16174)]