217901728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 508999680

約数和(自身を除く): 291097952

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 352, 418, 496, 589, 608, 682, 836, 992, 1051, 1178, 1364, 1672, 2102, 2356, 2728, 3344, 4204, 4712, 5456, 6479, 6688, 8408, 9424, 10912, 11561, 12958, 16816, 18848, 19969, 23122, 25916, 32581, 33632, 39938, 46244, 51832, 65162, 79876, 92488, 103664, 130324, 159752, 184976, 207328, 219659, 260648, 319504, 358391, 369952, 439318, 521296, 619039, 639008, 716782, 878636, 1042592, 1238078, 1433564, 1757272, 2476156, 2867128, 3514544, 4952312, 5734256, 6809429, 7029088, 9904624, 11468512, 13618858, 19809248, 27237716, 54475432, 108950864, 217901728]

約数ペア:

[(1, 217901728), (2, 108950864), (4, 54475432), (8, 27237716), (11, 19809248), (16, 13618858), (19, 11468512), (22, 9904624), (31, 7029088), (32, 6809429), (38, 5734256), (44, 4952312), (62, 3514544), (76, 2867128), (88, 2476156), (124, 1757272), (152, 1433564), (176, 1238078), (209, 1042592), (248, 878636), (304, 716782), (341, 639008), (352, 619039), (418, 521296), (496, 439318), (589, 369952), (608, 358391), (682, 319504), (836, 260648), (992, 219659), (1051, 207328), (1178, 184976), (1364, 159752), (1672, 130324), (2102, 103664), (2356, 92488), (2728, 79876), (3344, 65162), (4204, 51832), (4712, 46244), (5456, 39938), (6479, 33632), (6688, 32581), (8408, 25916), (9424, 23122), (10912, 19969), (11561, 18848), (12958, 16816)]