203950192

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 402206400

約数和(自身を除く): 198256208

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 317, 509, 632, 634, 1018, 1264, 1268, 2036, 2536, 4072, 5072, 8144, 25043, 40211, 50086, 80422, 100172, 160844, 161353, 200344, 321688, 322706, 400688, 643376, 645412, 1290824, 2581648, 12746887, 25493774, 50987548, 101975096, 203950192]

約数ペア:

[(1, 203950192), (2, 101975096), (4, 50987548), (8, 25493774), (16, 12746887), (79, 2581648), (158, 1290824), (316, 645412), (317, 643376), (509, 400688), (632, 322706), (634, 321688), (1018, 200344), (1264, 161353), (1268, 160844), (2036, 100172), (2536, 80422), (4072, 50086), (5072, 40211), (8144, 25043)]