78737672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39847}}^1$

素因数の和:39885

約数の個数: 32

約数和(自身を含む): 167361600

約数和(自身を除く): 88623928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39847, 79694, 159388, 318776, 518011, 757093, 1036022, 1514186, 2072044, 3028372, 4144088, 6056744, 9842209, 19684418, 39368836, 78737672]

約数ペア:

[(1, 78737672), (2, 39368836), (4, 19684418), (8, 9842209), (13, 6056744), (19, 4144088), (26, 3028372), (38, 2072044), (52, 1514186), (76, 1036022), (104, 757093), (152, 518011), (247, 318776), (494, 159388), (988, 79694), (1976, 39847)]