644784156716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{576089}}^1$

素因数の和:576734

約数の個数: 48

約数和(自身を含む): 1310056312320

約数和(自身を除く): 665272155604

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 563, 994, 1126, 1988, 2252, 3941, 7882, 15764, 39973, 79946, 159892, 279811, 559622, 576089, 1119244, 1152178, 2304356, 4032623, 8065246, 16130492, 40902319, 81804638, 163609276, 286316233, 324338107, 572632466, 648676214, 1145264932, 1297352428, 2270366749, 4540733498, 9081466996, 23028005597, 46056011194, 92112022388, 161196039179, 322392078358, 644784156716]

約数ペア:

[(1, 644784156716), (2, 322392078358), (4, 161196039179), (7, 92112022388), (14, 46056011194), (28, 23028005597), (71, 9081466996), (142, 4540733498), (284, 2270366749), (497, 1297352428), (563, 1145264932), (994, 648676214), (1126, 572632466), (1988, 324338107), (2252, 286316233), (3941, 163609276), (7882, 81804638), (15764, 40902319), (39973, 16130492), (79946, 8065246), (159892, 4032623), (279811, 2304356), (559622, 1152178), (576089, 1119244)]