281708868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:733

約数の個数: 96

約数和(自身を含む): 775934208

約数和(自身を除く): 494225340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 157, 164, 246, 287, 314, 471, 492, 521, 574, 628, 861, 942, 1042, 1099, 1148, 1563, 1722, 1884, 2084, 2198, 3126, 3297, 3444, 3647, 4396, 6252, 6437, 6594, 7294, 10941, 12874, 13188, 14588, 19311, 21361, 21882, 25748, 38622, 42722, 43764, 45059, 64083, 77244, 81797, 85444, 90118, 128166, 135177, 149527, 163594, 180236, 245391, 256332, 270354, 299054, 327188, 448581, 490782, 540708, 572579, 598108, 897162, 981564, 1145158, 1717737, 1794324, 2290316, 3353677, 3435474, 6707354, 6870948, 10061031, 13414708, 20122062, 23475739, 40244124, 46951478, 70427217, 93902956, 140854434, 281708868]

約数ペア:

[(1, 281708868), (2, 140854434), (3, 93902956), (4, 70427217), (6, 46951478), (7, 40244124), (12, 23475739), (14, 20122062), (21, 13414708), (28, 10061031), (41, 6870948), (42, 6707354), (82, 3435474), (84, 3353677), (123, 2290316), (157, 1794324), (164, 1717737), (246, 1145158), (287, 981564), (314, 897162), (471, 598108), (492, 572579), (521, 540708), (574, 490782), (628, 448581), (861, 327188), (942, 299054), (1042, 270354), (1099, 256332), (1148, 245391), (1563, 180236), (1722, 163594), (1884, 149527), (2084, 135177), (2198, 128166), (3126, 90118), (3297, 85444), (3444, 81797), (3647, 77244), (4396, 64083), (6252, 45059), (6437, 43764), (6594, 42722), (7294, 38622), (10941, 25748), (12874, 21882), (13188, 21361), (14588, 19311)]