12942128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 26248320

約数和(自身を除く): 13306192

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 269, 388, 496, 538, 776, 1076, 1552, 2152, 3007, 4304, 6014, 8339, 12028, 16678, 24056, 26093, 33356, 48112, 52186, 66712, 104372, 133424, 208744, 417488, 808883, 1617766, 3235532, 6471064, 12942128]

約数ペア:

[(1, 12942128), (2, 6471064), (4, 3235532), (8, 1617766), (16, 808883), (31, 417488), (62, 208744), (97, 133424), (124, 104372), (194, 66712), (248, 52186), (269, 48112), (388, 33356), (496, 26093), (538, 24056), (776, 16678), (1076, 12028), (1552, 8339), (2152, 6014), (3007, 4304)]