1271569390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1397329}}^1$

素因数の和:1397356

約数の個数: 32

約数和(自身を含む): 2817017280

約数和(自身を除く): 1545447890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1397329, 2794658, 6986645, 9781303, 13973290, 18165277, 19562606, 36330554, 48906515, 90826385, 97813030, 127156939, 181652770, 254313878, 635784695, 1271569390]

約数ペア:

[(1, 1271569390), (2, 635784695), (5, 254313878), (7, 181652770), (10, 127156939), (13, 97813030), (14, 90826385), (26, 48906515), (35, 36330554), (65, 19562606), (70, 18165277), (91, 13973290), (130, 9781303), (182, 6986645), (455, 2794658), (910, 1397329)]