66420284

素因数分解:

$2^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1338

約数の個数: 36

約数和(自身を含む): 135739800

約数和(自身を除く): 69319516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 349, 698, 971, 1396, 1942, 2443, 3884, 4886, 6797, 9772, 13594, 17101, 27188, 34202, 47579, 68404, 95158, 190316, 338879, 677758, 1355516, 2372153, 4744306, 9488612, 16605071, 33210142, 66420284]

約数ペア:

[(1, 66420284), (2, 33210142), (4, 16605071), (7, 9488612), (14, 4744306), (28, 2372153), (49, 1355516), (98, 677758), (196, 338879), (349, 190316), (698, 95158), (971, 68404), (1396, 47579), (1942, 34202), (2443, 27188), (3884, 17101), (4886, 13594), (6797, 9772)]