201721912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{124213}}^1$

素因数の和:124255

約数の個数: 32

約数和(自身を含む): 447170400

約数和(自身を除く): 245448488

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 124213, 248426, 496852, 869491, 993704, 1738982, 3477964, 3602177, 6955928, 7204354, 14408708, 25215239, 28817416, 50430478, 100860956, 201721912]

約数ペア:

[(1, 201721912), (2, 100860956), (4, 50430478), (7, 28817416), (8, 25215239), (14, 14408708), (28, 7204354), (29, 6955928), (56, 3602177), (58, 3477964), (116, 1738982), (203, 993704), (232, 869491), (406, 496852), (812, 248426), (1624, 124213)]