391422914

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{53}}^2\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 36

約数和(自身を含む): 634847346

約数和(自身を除く): 243424432

約数列:

[1, 2, 19, 38, 53, 106, 193, 361, 386, 722, 1007, 2014, 2809, 3667, 5618, 7334, 10229, 19133, 20458, 38266, 53371, 69673, 106742, 139346, 194351, 388702, 542137, 1014049, 1084274, 2028098, 3692669, 7385338, 10300603, 20601206, 195711457, 391422914]

約数ペア:

[(1, 391422914), (2, 195711457), (19, 20601206), (38, 10300603), (53, 7385338), (106, 3692669), (193, 2028098), (361, 1084274), (386, 1014049), (722, 542137), (1007, 388702), (2014, 194351), (2809, 139346), (3667, 106742), (5618, 69673), (7334, 53371), (10229, 38266), (19133, 20458)]