221027778848

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{254753}}^1$

素因数の和:256209

約数の個数: 48

約数和(自身を含む): 458373777120

約数和(自身を除く): 237345998272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1427, 2854, 5708, 11416, 22832, 27113, 45664, 54226, 108452, 216904, 254753, 433808, 509506, 867616, 1019012, 2038024, 4076048, 4840307, 8152096, 9680614, 19361228, 38722456, 77444912, 154889824, 363532531, 727065062, 1454130124, 2908260248, 5816520496, 6907118089, 11633040992, 13814236178, 27628472356, 55256944712, 110513889424, 221027778848]

約数ペア:

[(1, 221027778848), (2, 110513889424), (4, 55256944712), (8, 27628472356), (16, 13814236178), (19, 11633040992), (32, 6907118089), (38, 5816520496), (76, 2908260248), (152, 1454130124), (304, 727065062), (608, 363532531), (1427, 154889824), (2854, 77444912), (5708, 38722456), (11416, 19361228), (22832, 9680614), (27113, 8152096), (45664, 4840307), (54226, 4076048), (108452, 2038024), (216904, 1019012), (254753, 867616), (433808, 509506)]