28731066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 71559936

約数和(自身を除く): 42828870

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 101, 182, 202, 273, 303, 521, 546, 606, 707, 1042, 1313, 1414, 1563, 2121, 2626, 3126, 3647, 3939, 4242, 6773, 7294, 7878, 9191, 10941, 13546, 18382, 20319, 21882, 27573, 40638, 47411, 52621, 55146, 94822, 105242, 142233, 157863, 284466, 315726, 368347, 684073, 736694, 1105041, 1368146, 2052219, 2210082, 4104438, 4788511, 9577022, 14365533, 28731066]

約数ペア:

[(1, 28731066), (2, 14365533), (3, 9577022), (6, 4788511), (7, 4104438), (13, 2210082), (14, 2052219), (21, 1368146), (26, 1105041), (39, 736694), (42, 684073), (78, 368347), (91, 315726), (101, 284466), (182, 157863), (202, 142233), (273, 105242), (303, 94822), (521, 55146), (546, 52621), (606, 47411), (707, 40638), (1042, 27573), (1313, 21882), (1414, 20319), (1563, 18382), (2121, 13546), (2626, 10941), (3126, 9191), (3647, 7878), (3939, 7294), (4242, 6773)]