64984712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32887}}^1$

素因数の和:32925

約数の個数: 32

約数和(自身を含む): 138129600

約数和(自身を除く): 73144888

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 32887, 65774, 131548, 263096, 427531, 624853, 855062, 1249706, 1710124, 2499412, 3420248, 4998824, 8123089, 16246178, 32492356, 64984712]

約数ペア:

[(1, 64984712), (2, 32492356), (4, 16246178), (8, 8123089), (13, 4998824), (19, 3420248), (26, 2499412), (38, 1710124), (52, 1249706), (76, 855062), (104, 624853), (152, 427531), (247, 263096), (494, 131548), (988, 65774), (1976, 32887)]