209300728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{287501}}^1$

素因数の和:287527

約数の個数: 32

約数和(自身を含む): 483003360

約数和(自身を除く): 273702632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 287501, 575002, 1150004, 2012507, 2300008, 3737513, 4025014, 7475026, 8050028, 14950052, 16100056, 26162591, 29900104, 52325182, 104650364, 209300728]

約数ペア:

[(1, 209300728), (2, 104650364), (4, 52325182), (7, 29900104), (8, 26162591), (13, 16100056), (14, 14950052), (26, 8050028), (28, 7475026), (52, 4025014), (56, 3737513), (91, 2300008), (104, 2012507), (182, 1150004), (364, 575002), (728, 287501)]