287995312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 650315520

約数和(自身を除く): 362320208

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 88, 142, 152, 176, 209, 284, 304, 418, 568, 781, 836, 1136, 1213, 1349, 1562, 1672, 2426, 2698, 3124, 3344, 4852, 5396, 6248, 9704, 10792, 12496, 13343, 14839, 19408, 21584, 23047, 26686, 29678, 46094, 53372, 59356, 86123, 92188, 106744, 118712, 172246, 184376, 213488, 237424, 253517, 344492, 368752, 507034, 688984, 947353, 1014068, 1377968, 1636337, 1894706, 2028136, 3272674, 3789412, 4056272, 6545348, 7578824, 13090696, 15157648, 17999707, 26181392, 35999414, 71998828, 143997656, 287995312]

約数ペア:

[(1, 287995312), (2, 143997656), (4, 71998828), (8, 35999414), (11, 26181392), (16, 17999707), (19, 15157648), (22, 13090696), (38, 7578824), (44, 6545348), (71, 4056272), (76, 3789412), (88, 3272674), (142, 2028136), (152, 1894706), (176, 1636337), (209, 1377968), (284, 1014068), (304, 947353), (418, 688984), (568, 507034), (781, 368752), (836, 344492), (1136, 253517), (1213, 237424), (1349, 213488), (1562, 184376), (1672, 172246), (2426, 118712), (2698, 106744), (3124, 92188), (3344, 86123), (4852, 59356), (5396, 53372), (6248, 46094), (9704, 29678), (10792, 26686), (12496, 23047), (13343, 21584), (14839, 19408)]