257878336

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6903

約数の個数: 56

約数和(自身を含む): 556117760

約数和(自身を除く): 298239424

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 6841, 9424, 13682, 18848, 27364, 37696, 54728, 109456, 129979, 212071, 218912, 259958, 424142, 437824, 519916, 848284, 1039832, 1696568, 2079664, 3393136, 4029349, 4159328, 6786272, 8058698, 8318656, 13572544, 16117396, 32234792, 64469584, 128939168, 257878336]

約数ペア:

[(1, 257878336), (2, 128939168), (4, 64469584), (8, 32234792), (16, 16117396), (19, 13572544), (31, 8318656), (32, 8058698), (38, 6786272), (62, 4159328), (64, 4029349), (76, 3393136), (124, 2079664), (152, 1696568), (248, 1039832), (304, 848284), (496, 519916), (589, 437824), (608, 424142), (992, 259958), (1178, 218912), (1216, 212071), (1984, 129979), (2356, 109456), (4712, 54728), (6841, 37696), (9424, 27364), (13682, 18848)]