201095678

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 350542080

約数和(自身を除く): 149446402

約数列:

[1, 2, 7, 14, 89, 178, 251, 502, 623, 643, 1246, 1286, 1757, 3514, 4501, 9002, 22339, 44678, 57227, 114454, 156373, 161393, 312746, 322786, 400589, 801178, 1129751, 2259502, 14363977, 28727954, 100547839, 201095678]

約数ペア:

[(1, 201095678), (2, 100547839), (7, 28727954), (14, 14363977), (89, 2259502), (178, 1129751), (251, 801178), (502, 400589), (623, 322786), (643, 312746), (1246, 161393), (1286, 156373), (1757, 114454), (3514, 57227), (4501, 44678), (9002, 22339)]