1291258556

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{2909}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 2628218880

約数和(自身を除く): 1336960324

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 191, 332, 382, 581, 764, 1162, 1337, 2324, 2674, 2909, 5348, 5818, 11636, 15853, 20363, 31706, 40726, 63412, 81452, 110971, 221942, 241447, 443884, 482894, 555619, 965788, 1111238, 1690129, 2222476, 3380258, 3889333, 6760516, 7778666, 15557332, 46116377, 92232754, 184465508, 322814639, 645629278, 1291258556]

約数ペア:

[(1, 1291258556), (2, 645629278), (4, 322814639), (7, 184465508), (14, 92232754), (28, 46116377), (83, 15557332), (166, 7778666), (191, 6760516), (332, 3889333), (382, 3380258), (581, 2222476), (764, 1690129), (1162, 1111238), (1337, 965788), (2324, 555619), (2674, 482894), (2909, 443884), (5348, 241447), (5818, 221942), (11636, 110971), (15853, 81452), (20363, 63412), (31706, 40726)]