201985894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{839}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 342558720

約数和(自身を除く): 140572826

約数列:

[1, 2, 11, 22, 31, 62, 341, 353, 682, 706, 839, 1678, 3883, 7766, 9229, 10943, 18458, 21886, 26009, 52018, 120373, 240746, 286099, 296167, 572198, 592334, 3257837, 6515674, 9181177, 18362354, 100992947, 201985894]

約数ペア:

[(1, 201985894), (2, 100992947), (11, 18362354), (22, 9181177), (31, 6515674), (62, 3257837), (341, 592334), (353, 572198), (682, 296167), (706, 286099), (839, 240746), (1678, 120373), (3883, 52018), (7766, 26009), (9229, 21886), (10943, 18458)]